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A136580
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Row sums of triangle A136579.
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3
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1, 1, 3, 7, 27, 127, 747, 5167, 41067, 368047, 3669867, 40284847, 482671467, 6267305647, 87660962667, 1313941673647, 21010450850667, 357001369769647, 6423384156578667, 122002101778601647, 2439325392333218667
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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EXAMPLE
| 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!
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MAPLE
| A128174 := proc(n, k) if k <= 0 or k >n then 0; else 1- ( (n-k) mod 2) ; end if; end proc: A136572 := proc(n, k) if k <> n then 0; else n! ; end if; end proc: A136579 := proc(n, k) add( A128174(n+1, j+1)*A136572(j, k), j=0..n) ; end proc: A136580 := proc(n) add( A136579(n, k), k=0..n) ; end proc: seq(A136580(n, k), n=0..60); [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 22 2010]
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CROSSREFS
| Cf. A136579, A000142.
Sequence in context: A003083 A062795 A062363 * A161370 A101303 A148751
Adjacent sequences: A136577 A136578 A136579 * A136581 A136582 A136583
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KEYWORD
| nonn
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 09 2008
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EXTENSIONS
| More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 22 2010
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