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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.

A110072 Numbers k such that k = sigma(d_1!!*d_2!!*...*d_j!!) where d_1 d_2 ... d_j is the decimal expansion of k.

Table of values

n a(n)
1 1
2 163800
3 1547520
4 81254720

List of values

[1, 163800, 1547520, 81254720]

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

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