0,3

Binomial transform of A047849 (with interpolated zeros). Binomial transform is A087433.

a(n)=(-1)^n/6+0^n/3+2^n/3+3^n/6

For n>4, a(n) = 6*a(n-1) - 9*a(n-2) - 4*a(n-3) + 12*a(n-4). E.g. a(7) = 407 = 6*143 - 9*51 - 4*19 + 12* 7. - Gary W. Adamson (qntmpkt(AT)yahoo.com), Jun 14 2006

First differences of A093379.

Sequence in context: A026325 A002426 A011769 this_sequence A135052 A146597 A115254

Adjacent sequences: A087429 A087430 A087431 this_sequence A087433 A087434 A087435

nonn

Paul Barry (pbarry(AT)wit.ie), Sep 02 2003