HP Forums

This programme installs symbolics in the Sequence Aplet to reproduce the Connell sequence

http://oeis.org/A001614

in U1, the partial sums

http://oeis.org/A122793

in U2, the complement of the Connell sequence

http://oeis.org/A118011

in U3 & the partial sums of U3

http://oeis.org/A171152

in U4.

RUN SEQSET:
RECURSE(U,2*N-U5(N),1,2)►U1(N):
CHECK 1:
RECURSE(U,N-U6(N)+N^2,1,3)►U2(N):
CHECK 2:
RECURSE(U,2*N+U5(N),3,6)►U3(N):
CHECK 3:
RECURSE(U,N+U6(N)+N^2,3,9)►U4(N):
CHECK 4:
RECURSE(U,ROUND(√(2*N),0),1,2)►U5(N):
RECURSE(U,U5(N)*(N+(1-U5(N)^2)/6),1,3)►U6(N):

SEQSET

SELECT Sequence:
UNCHECK 0:
0►NumFont:
0►Simult:
2►Angle:
1►InvCross:
1►NumStep:
1►Format:
1►NumCol:
1►NumStart:
6►NumRow:
RECURSE(U,0,0,0)►U1(N):
Ans►U2(N):
Ans►U3(N):
Ans►U4(N):
Ans►U5(N):
Ans►U6(N):
Ans►U7(N):
Ans►U8(N):
Ans►U9(N):
Ans►U0(N):