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Search: id:A160484
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| -299, 2063, -8948, 29034, -77537, 180137, -376946, 727116, -1314087, 2251475, -3689600, 5822654, -8896509, 13217165, -19159838, 27178688, -37817187, 51719127, -69640268, 92460626, -121197401, 157018545, -201256970, 255425396
(list; graph; listen)
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OFFSET
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1,1
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MAPLE
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nmax:=27; mmax:=nmax: for m from 1 to mmax do BETA(2, m):=0 end do: BETA(2, 1):=-1: for n from 3 to nmax do BETA(n, 1):=(2*n-3)^2*BETA(n-1, 1)-(2*n-4)! end do: for n from 3 to nmax do for m from 2 to mmax do BETA(n, m):=(2*n-3)^2*BETA(n-1, m)-BETA(n-1, m-1) end do end do: for n from 4 to nmax do a(n-3):=BETA(n, n-3) od: seq(a(n), n=1..nmax-3);
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CROSSREFS
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A160480 is the Beta triangle.
A160483 is the second right hand column.
Sequence in context: A129037 A064908 A105990 this_sequence A091028 A014369 A096511
Adjacent sequences: A160481 A160482 A160483 this_sequence A160485 A160486 A160487
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KEYWORD
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easy,sign
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AUTHOR
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Johannes W. Meijer (meijgia(AT)hotmail.com), May 24 2009
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