0,2

Hankel transform of A130978 .

a(n)=7^n*6^(n^2)=A000420(n)*A076781(n).

Sequence in context: A159417 A095423 A159433 this_sequence A135425 A028669 A147687

Adjacent sequences: A135311 A135312 A135313 this_sequence A135315 A135316 A135317

nonn

Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Dec 05 2007