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Search: id:A025201
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| A025201 |
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[ Sum{log(k)} ], k = 1,2,3,...,n. |
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+0
2
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| 0, 0, 1, 3, 4, 6, 8, 10, 12, 15, 17, 19, 22, 25, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 58, 61, 64, 67, 71, 74, 78, 81, 85, 88, 92, 95, 99, 102, 106, 110, 114, 117, 121, 125, 129, 132, 136, 140, 144, 148, 152, 156, 160, 164, 168, 172, 176, 180, 184, 188, 192, 196, 201, 205, 209, 213, 217
(list; graph; listen)
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OFFSET
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1,4
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COMMENT
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Logarithm of gamma function of n gives essentially the same sequence - Jason Earls (zevi_35711(AT)yahoo.com), Jun 30 2001
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FORMULA
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a(n)=floor(log(n!)) - Mohammed Bouayoun (bouyao(AT)wanadoo.fr), Mar 20 2004
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MATHEMATICA
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lst={}; Do[AppendTo[lst, IntegerPart[LogGamma[n]]], {n, 10^3}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Sep 12 2008]
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PROGRAM
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(PARI) v=[]; for(n=1, 250, v=concat(v, floor(lngamma(n)))); v
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CROSSREFS
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Cf. A046654.
Sequence in context: A092535 A135667 A156624 this_sequence A071259 A092137 A059608
Adjacent sequences: A025198 A025199 A025200 this_sequence A025202 A025203 A025204
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KEYWORD
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nonn
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AUTHOR
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Clark Kimberling (ck6(AT)evansville.edu)
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