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A192549
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a(n) = sum(abs(stirling1(n+1,k+1))*stirling2(n,k),k=0..n).
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1
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1, 1, 4, 30, 356, 5925, 129949, 3609522, 123202470, 5047071210, 243591826248, 13646279320267, 876457826851309, 63867571888960931, 5233393632259094223, 478504806151155710490, 48490898635782743083282, 5414061277570448051139952
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OFFSET
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0,3
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LINKS
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MATHEMATICA
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Table[Sum[Abs[StirlingS1[n+1, k+1]]StirlingS2[n, k], {k, 0, n}], {n, 0, 100}]
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PROG
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(Maxima) makelist(sum(abs(stirling1(n+1, k+1))*stirling2(n, k), k, 0, n), n, 0, 24);
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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