|
| |
|
|
A094272
|
|
Least m >= a(n-1)+n such that m!/(m-n)! is a multiple of a(n-1)!/(a(n-1)-(n-1))!.
|
|
5
| |
|
|
1, 3, 6, 10, 16, 52, 1176, 687378, 236241851626, 2197451321740962081109754668237130, 2414396155710550624720051944524837499100253655538086242554948251375
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
COMMENTS
| a(1)=1. Main diagonal of triangle A094270.
If p is a prime factor of any of a(n-1)-(n-1) to a(n-1), then a(n) mod p < n.
|
|
|
LINKS
| Martin Fuller, Table of n, a(n) for n = 1..12
Martin Fuller, PARI/GP program for A094272
|
|
|
EXAMPLE
| Product of the terms of the 4-th row = 7*8*9*10 = 5040. Product of the terms of the 5-th row = 12*13*14*15*16 = 524160 = 104*5040.
|
|
|
CROSSREFS
| Cf. A094270, A094271, A094273, A094274.
Sequence in context: A033541 A038505 A119971 * A005045 A189376 A069241
Adjacent sequences: A094269 A094270 A094271 * A094273 A094274 A094275
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 27 2004
|
|
|
EXTENSIONS
| Edited by Martin Fuller (martin_n_fuller(AT)btinternet.com), Jun 13 2007
|
| |
|
|
