04-09-2015, 09:48 AM
Her is a progamme to insert symbolics in the Sequence Aplet to reproduce the sequence
http://oeis.org/A004396
& the challenge is to find a closed formula for the partial sums of A004396.
Edit: Challenge withdrawn, 2015-04-12 (Vienna date).
E*1O*2
RUN SEQSET:
RECURSE(U,INT((2*N-1)/3),0,1)\|>U1(N):
CHECK 1:
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):
http://oeis.org/A004396
& the challenge is to find a closed formula for the partial sums of A004396.
Edit: Challenge withdrawn, 2015-04-12 (Vienna date).
E*1O*2
RUN SEQSET:
RECURSE(U,INT((2*N-1)/3),0,1)\|>U1(N):
CHECK 1:
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):