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 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]. 0
 362880, 362880, 90720, 10080, 630, 25, 0, 0, 0 (list; graph; refs; listen; history; text; 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. LINKS EXAMPLE a(5) = 5*6*7*8*9/(4!)=630. CROSSREFS Sequence in context: A263213 A109160 A269127 * A110452 A011520 A321845 Adjacent sequences:  A110450 A110451 A110452 * A110454 A110455 A110456 KEYWORD base,easy,nonn AUTHOR Amarnath Murthy, Aug 04 2005 STATUS approved

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Last modified December 6 16:10 EST 2021. Contains 349565 sequences. (Running on oeis4.)