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.

A216657 Number of n-digit 7th powers.

Table of values

n a(n)
1 2
2 0
3 1
4 1
5 2
6 2
7 2
8 4
9 6
10 7
11 11
12 14
13 20
14 28
15 39
16 55
17 75
18 104
19 145
20 202
21 280
22 390
23 541
24 752
25 1045
26 1452
27 2017
28 2803
29 3895
30 5412
31 7520
32 10449
33 14519
34 20174
35 28031
36 38950
37 54120
38 75200
39 104490
40 145188
41 201738
42 280314
43 389496
44 541202
45 751998
46 1044898
47 1451881

List of values

[2, 0, 1, 1, 2, 2, 2, 4, 6, 7, 11, 14, 20, 28, 39, 55, 75, 104, 145, 202, 280, 390, 541, 752, 1045, 1452, 2017, 2803, 3895, 5412, 7520, 10449, 14519, 20174, 28031, 38950, 54120, 75200, 104490, 145188, 201738, 280314, 389496, 541202, 751998, 1044898, 1451881]

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

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