A263884 - cp's OEIS frontend

A263884 a(n) = (m(n)*n)! / (n!)^(m(n)+1), where m(n) is the largest prime power <= n.

n	a(n)
1	1
2	3
3	280
4	2627625
5	5194672859376
6	1903991899429620
7	1461034854396267778567973305958400
8	450538787986875167583433232345723106006796340625
9	146413934927214422927834111686633731590253260933067148964500000000
10	3752368324673960479843764075706478869144868251518618794695144146928706880

[1, 3, 280, 2627625, 5194672859376, 1903991899429620, 1461034854396267778567973305958400, 450538787986875167583433232345723106006796340625, 146413934927214422927834111686633731590253260933067148964500000000, 3752368324673960479843764075706478869144868251518618794695144146928706880]

cp's OEIS Frontend

A263884 a(n) = (m(n)*n)! / (n!)^(m(n)+1), where m(n) is the largest prime power <= n.

Table of values

List of values