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

Offset: 1

Author

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

Keywords

• nonn

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