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Search: id:A056618
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| A056618 |
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Concatenate factorials. |
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+0
1
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| 1, 11, 112, 1126, 112624, 112624120, 112624120720, 1126241207205040, 112624120720504040320, 112624120720504040320362880, 1126241207205040403203628803628800
(list; graph; listen)
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OFFSET
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0,2
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FORMULA
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a(n+1)=a(n)*10^floor[1+log10(n!)]+n!, with a(0)=1 - Paolo P. Lava (ppl(AT)spl.at), Jul 04 2008
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MAPLE
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P:=proc(i) local a, n; a:=1; print(1); for n from 1 by 1 to i do a:=a*10^floor(evalf(1+log10(n!), 1000))+n!; print(a); od; end: P(50); - Paolo P. Lava (ppl(AT)spl.at), Jul 04 2008
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CROSSREFS
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Cf. A000142, A045508.
Sequence in context: A132939 A059996 A132938 this_sequence A024145 A053055 A024148
Adjacent sequences: A056615 A056616 A056617 this_sequence A056619 A056620 A056621
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KEYWORD
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nonn,base
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AUTHOR
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Henry Bottomley (se16(AT)btinternet.com), Aug 07 2000
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