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Search: id:A144286
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A144286 Row sums of triangle A144285 (called S2hat(-4)). +0
2
1, 5, 41, 561, 10281, 243481, 6965401, 235103417, 9112789817, 399330154617, 19502558109177, 1050527843743993, 61855087724349433, 3952225158444979193, 272326955744655069689, 20128716335079745234425, 1588573078022351774367225, 133323969310853649963402745 (list; graph; listen)
OFFSET

1,2

FORMULA

a(n)=sum(A144285(n,m),m=1..n), n>=1.

CROSSREFS

Sequence in context: A056545 A009755 A000685 this_sequence A139034 A073854 A104344

Adjacent sequences: A144283 A144284 A144285 this_sequence A144287 A144288 A144289

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) Oct 09 2008

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


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