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Search: id:A036083
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| 1, 15, 175, 1750, 15750, 131250, 1031250, 7734375, 55859375, 391015625, 2666015625, 17773437500, 116210937500, 747070312500, 4731445312500, 29571533203125, 182647705078125, 1116180419921875, 6755828857421875
(list; graph; listen)
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OFFSET
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0,2
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LINKS
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W. Lang, On generalizations of Stirling number triangles, J. Integer Seqs., Vol. 3 (2000), #00.2.4.
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FORMULA
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a(n) = 5^(n-1)*binomial(n+5, 4); G.f. (-1+(1-5*x)^(-5))/(x*5^2).
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PROGRAM
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(Other) SAGE:[lucas_number2(n, 5, 0)*binomial(n, 4)/5^6 for n in xrange(5, 24)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 13 2009]
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CROSSREFS
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Cf. A036070, A036071. a(n)= A030527(n+1, 1) (first column of triangle).
Sequence in context: A152586 A082678 A107395 this_sequence A051588 A016164 A000482
Adjacent sequences: A036080 A036081 A036082 this_sequence A036084 A036085 A036086
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KEYWORD
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easy,nonn
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AUTHOR
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Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)
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