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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.

A318969 Expansion of exp(Sum_{k>=1} ( Sum_{p|k, p prime} p^k ) * x^k/k).

Table of values

n a(n)
0 1
1 0
2 2
3 9
4 6
5 643
6 182
7 118953
8 6019
9 242630
10 2243190
11 25938251679
12 78106516
13 23349992199606
14 288964822371
15 46755212195033
16 226472341461312
17 48661337027901364945
18 18066374340919781
19 104224677113940850317679
20 440728415311733637734
21 208546898802899685866735
22 972477473959172989443327

List of values

[1, 0, 2, 9, 6, 643, 182, 118953, 6019, 242630, 2243190, 25938251679, 78106516, 23349992199606, 288964822371, 46755212195033, 226472341461312, 48661337027901364945, 18066374340919781, 104224677113940850317679, 440728415311733637734, 208546898802899685866735, 972477473959172989443327]

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

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