0,3

a(4) = 27 = sum of row 4 terms, triangle A136579: (1 + 0 + 2 + 0 + 24) = 0! + 2! + 4!.

a(5) = 127 = sum of row 5 terms, triangle A136579: (0 + 1 + 0 + 6 + 0 + 120) = 1! + 3! + 5!

Cf. A136579, A000142.

Adjacent sequences: A136577 A136578 A136579 this_sequence A136581 A136582 A136583

Sequence in context: A003083 A062795 A062363 this_sequence A101303 A054277 A018989

nonn

Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 09 2008