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Search: id:A110452
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| A110452 |
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Product of all k digit numbers starting from n where k is the number of digits in n. a(n) = n*(n+1)...*(10^k-1), where k is the number of digits in n. |
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+0
1
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| 362880, 362880, 181440, 60480, 15120, 3024, 504, 72, 9
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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The subsequent terms are too large to include: a(10) has 151 digits, a(11) has 150 digits, a(12) has 149 digits. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 08 2008
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MAPLE
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A110452 := proc(n) local k ; k := nops(convert(n, base, 10)) ; mul(i, i=n..10^k-1) ; end: for n from 1 to 13 do printf("%d, ", A110452(n)) ; od: - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 08 2008
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CROSSREFS
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Sequence in context: A034630 A109160 A110453 this_sequence A011520 A045511 A029577
Adjacent sequences: A110449 A110450 A110451 this_sequence A110453 A110454 A110455
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 04 2005
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