A144343 Row sums of triangle A144342 (called S2hat(-5)).

1, 6, 61, 1021, 22801, 654271, 22642171, 922787096, 43149037646, 2279170742696, 134100508257596, 8698551285481371, 616549939781495121, 47409430650407225871, 3930455865337807339246, 349471231024984588597871, 33172028312913149756842121

Offset: 1

Author

Wolfdieter Lang, Oct 09 2008

Keywords

• nonn
• easy

Crossrefs

Cf. A144342.

Formula

a(n) = Sum_{m=1..n} A144342(n,m), n>=1.