0,4

a(n)=0 for n=2,78,234,430,1502,2942,6058,6618,18910,54222...

Table of n, a(n) for n=0..81.

Sequence in context: A230845 A194528 A194520 * A264597 A112603 A097294

Adjacent sequences: A082724 A082725 A082726 * A082728 A082729 A082730

nonn

Benoit Cloitre, Apr 12 2003

approved