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.

A242855 Catalan numbers C(n) such that sum of the factorials of digits of C(n) is prime.

Table of values

n a(n)
1 2
2 16796
3 263747951750360
4 1002242216651368
5 104088460289122304033498318812080
6 22033725021956517463358552614056949950
7 1000134600800354781929399250536541864362461089950800
8 216489185503133990863274261791925599831188392742851863147080

List of values

[2, 16796, 263747951750360, 1002242216651368, 104088460289122304033498318812080, 22033725021956517463358552614056949950, 1000134600800354781929399250536541864362461089950800, 216489185503133990863274261791925599831188392742851863147080]

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

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