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A049427
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Row sums of triangle A049424.
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3
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1, 1, 5, 25, 145, 1025, 8245, 72745, 704705, 7424065, 83940805, 1012504505, 12972555025, 175624847425, 2501468566325, 37364323364425, 583569693556225, 9504040277271425, 161021013457176325, 2832196631069755225, 51619359912771959825
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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LINKS
| W. Lang, On generalizations of Stirling number triangles, J. Integer Seqs., Vol. 3 (2000), #00.2.4.
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FORMULA
| E.g.f.: exp((-1+(1+x)^5)/5).
a(n) = n! * sum(k=0..n, sum(j=0..k, binomial(5*j,n) * (-1)^(k-j)/(5^k * (k-j)!*j!))). [From Vladimir Kruchinin (kru(AT)ie.tusur.ru), Feb 7 2011]
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CROSSREFS
| Sequence in context: A064311 A114870 A199319 * A121639 A098349 A098212
Adjacent sequences: A049424 A049425 A049426 * A049428 A049429 A049430
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KEYWORD
| easy,nonn
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AUTHOR
| Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)
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