0,2

Binomial transform of A029578(n+2). Row sum of number triangle A106471.

a(n)=(3*n*2^(n-1)+4*2^n)/4+(binomial(1, n)-binomial(0, n))/4

Sequence in context: A127984 A077927 A005197 this_sequence A036885 A137682 A000600

Adjacent sequences: A106469 A106470 A106471 this_sequence A106473 A106474 A106475

easy,nonn

Paul Barry (pbarry(AT)wit.ie), May 03 2005