Triangular number AND sum of first m factorials
01-09-2018, 08:53 PM (This post was last modified: 01-09-2018 10:58 PM by Gerson W. Barbosa.)
Post: #2
 Gerson W. Barbosa Senior Member Posts: 1,454 Joined: Dec 2013
RE: Triangular number AND sum of first m factorials

001 LBL A
002 DEC X
003 ENTER
004 INC X
005 LBL 00
006 INC X
007 RCL* Y
008 DSE Y
009 GTO 00
010 PSE 10
011 STO+ X
012 +/-
013 1
014 ENTER
015 ENTER
016 R/\
017 SLVQ
018 X<>Y
019 FP
020 PSE 10
021 RCL L
022 RTN

2 A -> 3 -> 0 -> 2
5 A -> 153 -> 0 -> 17

The next m should be greater than 31, but I canâ€™t find it using the wp34s, at least not with help of this simple programâ€¦

Edited to fix a typo pointed out by Dieter below.
 « Next Oldest | Next Newest »

 Messages In This Thread Triangular number AND sum of first m factorials - Joe Horn - 01-09-2018, 04:31 PM RE: Triangular number AND sum of first m factorials - Gerson W. Barbosa - 01-09-2018 08:53 PM RE: Triangular number AND sum of first m factorials - Dieter - 01-09-2018, 10:19 PM RE: Triangular number AND sum of first m factorials - Gerson W. Barbosa - 01-09-2018, 11:00 PM RE: Triangular number AND sum of first m factorials - Valentin Albillo - 01-09-2018, 10:16 PM RE: Triangular number AND sum of first m factorials - John Keith - 01-09-2018, 11:10 PM RE: Triangular number AND sum of first m factorials - Gerson W. Barbosa - 01-10-2018, 04:03 AM RE: Triangular number AND sum of first m factorials - Joe Horn - 01-10-2018, 04:58 AM RE: Triangular number AND sum of first m factorials - Paul Dale - 01-10-2018, 06:35 AM RE: Triangular number AND sum of first m factorials - Joe Horn - 01-11-2018, 03:01 AM RE: Triangular number AND sum of first m factorials - Paul Dale - 01-11-2018, 10:21 AM RE: Triangular number AND sum of first m factorials - Gerson W. Barbosa - 01-11-2018, 06:29 PM RE: Triangular number AND sum of first m factorials - John Keith - 01-11-2018, 10:43 PM RE: Triangular number AND sum of first m factorials - John Keith - 01-11-2018, 10:30 PM RE: Triangular number AND sum of first m factorials - John Cadick - 01-11-2018, 02:22 PM

User(s) browsing this thread: 1 Guest(s)