A145500 - OEIS

A145500

a(n) = n! / A156832(n).

1, 2, 6, 8, 5, 8, 7, 16, 36, 30, 66, 81, 78, 126, 84, 320, 272, 576, 1824, 2048, 640, 315, 322, 231, 525, 195, 648, 256, 261, 216, 217, 336, 330, 680, 2100, 3780, 1554, 7168, 4446, 1680, 15744, 7380, 560, 572, 1170, 3588, 14664, 5031, 5096, 3900

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

a(n) is the smallest integer such that 1/(n*b(n-1)) + 1/a(n) = 1/b(n), where b(n) = n!/A145499(n) takes only integer values and always divides n!. - Charlie Neder, Dec 02 2018

LINKS

Charlie Neder, Table of n, a(n) for n = 1..1000

Charlie Neder, Python 3 program for computing this sequence and A145499

CROSSREFS

Sequence in context: A095677 A011045 A002210 * A247572 A065129 A074758

Adjacent sequences: A145497 A145498 A145499 * A145501 A145502 A145503

KEYWORD

nonn

AUTHOR

Robert G. Wilson v and Joshua Zucker, Feb 16 2009

STATUS

approved