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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.

A344270 Dirichlet g.f.: Product_{k>=2} (1 + k^(-s))^(7^(k-1)).

Table of values

n a(n)
1 1
2 7
3 49
4 364
5 2401
6 17150
7 117649
8 825979
9 5765977
10 40370414
11 282475249
12 1977462228
13 13841287201
14 96889833950
15 678223190498
16 4747567340635
17 33232930569601
18 232630555172589
19 1628413597910449
20 11398895468722356
21 79792266303376802
22 558545866060610750
23 3909821048582988049
24 27368747353968794263

List of values

[1, 7, 49, 364, 2401, 17150, 117649, 825979, 5765977, 40370414, 282475249, 1977462228, 13841287201, 96889833950, 678223190498, 4747567340635, 33232930569601, 232630555172589, 1628413597910449, 11398895468722356, 79792266303376802, 558545866060610750, 3909821048582988049, 27368747353968794263]

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

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