login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A144343
Row sums of triangle A144342 (called S2hat(-5)).
1
1, 6, 61, 1021, 22801, 654271, 22642171, 922787096, 43149037646, 2279170742696, 134100508257596, 8698551285481371, 616549939781495121, 47409430650407225871, 3930455865337807339246, 349471231024984588597871, 33172028312913149756842121
OFFSET
1,2
FORMULA
a(n) = Sum_{m=1..n} A144342(n,m), n>=1.
CROSSREFS
Cf. A144342.
Sequence in context: A361526 A056546 A127695 * A022517 A275221 A243455
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Oct 09 2008
STATUS
approved