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A105196
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Triangle, read by rows, of Stirling numbers of first kind, S1(n,k), multiplied by k^k, for n >= 1, 1<=k<=n.
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1
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1, 1, 4, 2, 12, 27, 6, 44, 162, 256, 24, 200, 945, 2560, 3125, 120, 1096, 6075, 21760, 46875, 46656, 720, 7056, 43848, 188160, 546875, 979776, 823543, 5040, 52272, 354564, 1732864, 6125000, 15023232, 23059204, 16777216, 40320, 438336, 3189348
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OFFSET
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1,3
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LINKS
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FORMULA
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a(i, j) := S1(i, j)*j^j
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EXAMPLE
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Table begins
1;
1 4;
2 12 27;
6, 44, 162, 256;
etc.
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MAPLE
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(i, j) -> abs(stirling1(i, j)*j^j)
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MATHEMATICA
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Flatten[Table[Table[k^k Abs[StirlingS1[n, k]], {k, 1, n}], {n, 1, 9}], 1]
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CROSSREFS
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Cf. A105197 (similar triangle for S2).
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KEYWORD
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AUTHOR
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Jeffrey Hall (hallj5(AT)southernct.edu), Apr 11 2005
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EXTENSIONS
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Typo in definition and Mathematica program by Olivier Gérard, Oct 24 2012
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STATUS
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approved
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