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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.

A381921 Factorial numbers whose Hamming weight is also a factorial number.

Table of values

n a(n)
1 1
2 2
3 6
4 24
5 5040
6 40320
7 362880
8 1982608315404440064116146708361898137544773690227268628106279599612729753600000000000000
9 126886932185884164103433389335161480802865516174545192198801894375214704230400000000000000

List of values

[1, 2, 6, 24, 5040, 40320, 362880, 1982608315404440064116146708361898137544773690227268628106279599612729753600000000000000, 126886932185884164103433389335161480802865516174545192198801894375214704230400000000000000]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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