0,2

The Hankel transform of this sequence is 42^C(n+1,2) .

a(n) = Sum_{k, 0<=k<=n}A086810(n,k)*6^k .

Sequence in context: A068884 A069670 A074112 this_sequence A132866 A094419 A049209

Adjacent sequences: A131923 A131924 A131925 this_sequence A131927 A131928 A131929

nonn

Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Oct 29 2007