0,2

a(n)=Sum_{k, 0<=k<=n}A106566(n,k)*A000108(k+1).

Cf. A127632 A129442.

Sequence in context: A151298 A161944 A150652 this_sequence A150653 A150654 A150655

Adjacent sequences: A130652 A130653 A130654 this_sequence A130656 A130657 A130658

nonn

Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Jun 21 2007