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.

A191624 Largest prime factor of n^n - n^(n-1) - n^(n-2) - ... - n^2 - n - 1.

Table of values

n a(n)
3 7
4 19
5 293
6 1493
7 179
8 1091
9 10593529
10 379721
11 165664841
12 66987982331
13 240717199
14 28048051
15 133933781
16 25506609089573701
17 107140256350247
18 793435901761
19 268232479553269300213
20 4075297
21 3063504618316968426599
22 1372263056872621
23 7514001866134191512025247

List of values

[7, 19, 293, 1493, 179, 1091, 10593529, 379721, 165664841, 66987982331, 240717199, 28048051, 133933781, 25506609089573701, 107140256350247, 793435901761, 268232479553269300213, 4075297, 3063504618316968426599, 1372263056872621, 7514001866134191512025247]

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

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