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.

A344267 Dirichlet g.f.: Product_{k>=2} (1 + k^(-s))^(4^(k-1)).

Table of values

n a(n)
1 1
2 4
3 16
4 70
5 256
6 1088
7 4096
8 16644
9 65656
10 263168
11 1048576
12 4199520
13 16777216
14 67125248
15 268439552
16 1073809761
17 4294967296
18 17180148192
19 68719476736
20 274878973440
21 1099511693312
22 4398050705408
23 17592186044416
24 70368761292864
25 281474976743296
26 1125899973951488
27 4503599628419632

List of values

[1, 4, 16, 70, 256, 1088, 4096, 16644, 65656, 263168, 1048576, 4199520, 16777216, 67125248, 268439552, 1073809761, 4294967296, 17180148192, 68719476736, 274878973440, 1099511693312, 4398050705408, 17592186044416, 70368761292864, 281474976743296, 1125899973951488, 4503599628419632]