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A034834
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One seventh of sept-factorial numbers.
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8
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1, 14, 294, 8232, 288120, 12101040, 592950960, 33205253760, 2091930986880, 146435169081600, 11275508019283200, 947142673619788800, 86189983299400780800, 8446618363341276518400, 886894928150834034432000
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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LINKS
| Index entries for sequences related to factorial numbers
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FORMULA
| 7*a(n) = (7*n)(!^7) := product(7*j, j=1..n)= 7^n*n!; E.g.f. (-1+1/(1-7*x))/7.
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MATHEMATICA
| s=1; lst={s}; Do[s+=n*s; AppendTo[lst, s], {n, 13, 5!, 7}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 08 2008]
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CROSSREFS
| Cf. A045754, A034829-A034834.
Sequence in context: A158475 A116165 A186376 * A205619 A034912 A035018
Adjacent sequences: A034831 A034832 A034833 * A034835 A034836 A034837
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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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