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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.

A265949 Expansion of Product_{k>=1} (1 + k^k*x^k).

Table of values

n a(n)
0 1
1 1
2 4
3 31
4 283
5 3489
6 50913
7 890635
8 17891170
9 409850236
10 10494427982
11 297780829216
12 9261266862273
13 313453533534739
14 11464487066049791
15 450644378868285130
16 18942868694407904729
17 847930346323808122469
18 40266107916200371331007
19 2021842180288047801103956

List of values

[1, 1, 4, 31, 283, 3489, 50913, 890635, 17891170, 409850236, 10494427982, 297780829216, 9261266862273, 313453533534739, 11464487066049791, 450644378868285130, 18942868694407904729, 847930346323808122469, 40266107916200371331007, 2021842180288047801103956]

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

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