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A092979
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Least k such that (n+1)(n+2)...(k-1)k >= n!.
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1
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2, 3, 5, 6, 8, 10, 11, 13, 15, 16, 18, 20, 21, 23, 25, 27, 28, 30, 32, 33, 35, 37, 39, 40, 42, 44, 45, 47, 49, 51, 52, 54, 56, 58, 59, 61, 63, 65, 66, 68, 70, 72, 73, 75, 77, 79, 80, 82, 84, 86, 88, 89, 91, 93, 95, 96, 98, 100, 102, 103, 105, 107, 109, 111, 112, 114, 116, 118
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| a(7) = 11 as 8 < 7!, 8*9 <7!, 8*9*10 < 7! but 8*9*10*11=7920 >7!=5040.
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MATHEMATICA
| Do[k = n + 1; s = k; While[s < n!, k++; s = s * k]; Print[k], {n, 1, 30}] (Propper)
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CROSSREFS
| Cf. A092980.
Sequence in context: A099267 A007067 A186322 * A135260 A179180 A085921
Adjacent sequences: A092976 A092977 A092978 * A092980 A092981 A092982
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KEYWORD
| nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 27 2004
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EXTENSIONS
| More terms from William Rex Marshall (w.r.marshall(AT)actrix.co.nz), Jun 22 2005
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