cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A334286 Number of factorizations of m^n into n factors, where m is a product of exactly n distinct primes and each factor is a product of n primes (counted with multiplicity).

Original entry on oeis.org

1, 1, 2, 10, 465, 190131, 848597563, 43025433375905, 26004966055138634525, 194173310204064149748222455, 18434259996904142171888712495703426, 22778257480946919793779826285286813732062310, 373444566958856976964193391832469245535883039838631492
Offset: 0

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Author

Alois P. Heinz, Apr 21 2020

Keywords

Comments

Also number of ways to partition the multiset consisting of n copies each of 1, 2, ..., n into n multisets of size n.

Examples

			a(3) = 10: (2*3*5)^3 = 2700 = 30*30*30 = 45*30*20 = 50*27*20 = 50*30*18 = 50*45*12 = 75*20*18 = 75*30*12 = 75*45*8 = 125*18*12 = 125*27*8.
		

Crossrefs

Main diagonal of A257462 and of A257463.

Formula

a(n) = A257462(n,n) = A257463(n,n).

Extensions

More terms from Andrew Howroyd, Apr 21 2020
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