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.

A306193 a(n) = Product_{k=0..n} (1 + n!/k!).

Table of values

n a(n)
0 2
1 4
2 18
3 392
4 81250
5 225061452
6 9854913828914
7 7821195286733052688
8 128042318400630042200896962
9 48734103316428964151516768659332500
10 480771737247108575104717059364582638896056402
11 135700420467061659867201490569546772642393389614560348824

List of values

[2, 4, 18, 392, 81250, 225061452, 9854913828914, 7821195286733052688, 128042318400630042200896962, 48734103316428964151516768659332500, 480771737247108575104717059364582638896056402, 135700420467061659867201490569546772642393389614560348824]

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

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