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A034788
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One sixth of sextic factorial numbers.
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6
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1, 12, 216, 5184, 155520, 5598720, 235146240, 11287019520, 609499054080, 36569943244800, 2413616254156800, 173780370299289600, 13554868883344588800, 1138608986200945459200, 102474808758085091328000
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OFFSET
| 1,2
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FORMULA
| 6*a(n) = (6*n)(!^6) := product(6*j, j=1..n) = 6^n*n!; E.g.f. (-1+1/(1-6*x))/6.
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MATHEMATICA
| s=1; lst={s}; Do[s+=n*s; AppendTo[lst, s], {n, 11, 5!, 6}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 08 2008]
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CROSSREFS
| Cf. A008542, A034689, A034723, A034724, A034787.
Sequence in context: A116164 A091266 A119309 * A082165 A006689 A009176
Adjacent sequences: A034785 A034786 A034787 * A034789 A034790 A034791
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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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