A110453 - OEIS

This site is supported by donations to The OEIS Foundation.

A110453

Floor[Product of all k-digit numbers starting from n where k is the number of digits in n divided by product of all k-digit numbers less than n].

362880, 362880, 90720, 10080, 630, 25, 0, 0, 0 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`That is, a(n) = Floor[ n(n+1)...(10^k-1)/R, where k is the number of digits in n and R = (n-1)(n-2)...(10^(k-1)+1}{10^(k-1))].` `Comment from David Wasserman, Dec 01 2008: There is no room for the next term, which is` `257182031095525112107857249934597388918419224714455526533820998388496472\` `644482792132224051962512451185663850090463028434334174412800000000000000\` `0000000.`
	EXAMPLE	`a(5) = 56789/(4!)=630.`
	CROSSREFS	`Sequence in context: A190390 A034630 A109160 * A110452 A011520 A179736` `Adjacent sequences: A110450 A110451 A110452 * A110454 A110455 A110456`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 04 2005`

Content is available under The OEIS End-User License Agreement .

Last modified February 17 13:14 EST 2012. Contains 206031 sequences.