0,4

a(n) = a(n-1) + 11^(n-2) a(n-2).

Sequence in context: A120674 A016123 A015457 this_sequence A144785 A085938 A161124

Adjacent sequences: A015466 A015467 A015468 this_sequence A015470 A015471 A015472

nonn,easy

Olivier Gerard (olivier.gerard(AT)gmail.com)