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A118708
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Triangular array made from A002110 primorial numbers of the first kind.
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0
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1, 1, -2, 1, -8, 12, 1, -38, 252, -360, 1, -248, 8232, -53280, 75600, 1, -2558, 581112, -19069200, 123152400, -174636000, 1, -32588, 77397852, -17469862560, 572771228400, -3698441208000, 5244319080000, 1, -543098, 16713897732, -39529847287080, 8919112306734000
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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COMMENTS
| The primorial of the second kind A034386 is more Stirling like as the row sum of this sequence is not zero.
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FORMULA
| a(n,n) = coefficients[a[n,m]*x^n]
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EXAMPLE
| 1
1, -2
1,-8, 12
1, -38, 252, -360
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MATHEMATICA
| p[1] = 2; p[n_Integer?Positive] := p[n] = Prime[n]*p[n - 1] a = Join[{{1}}, Table[Reverse[ CoefficientList[Product[x - p[n], {n, 0, m}], x]], {m, 0, 10}]] aout = Flatten[a]
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CROSSREFS
| Cf. A002110, A034386.
Sequence in context: A164662 A007026 A160485 * A055134 A137370 A151501
Adjacent sequences: A118705 A118706 A118707 * A118709 A118710 A118711
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KEYWORD
| sign,tabl,uned
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AUTHOR
| Roger L. Bagula (rlbagulatftn(AT)yahoo.com), May 20 2006
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