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.

A015650 Number of ordered 5-tuples of integers from [ 1..n ] with no global factor.

Table of values

n a(n)
1 1
2 5
3 19
4 49
5 118
6 225
7 434
8 729
9 1209
10 1850
11 2850
12 4059
13 5878
14 8044
15 11020
16 14566
17 19410
18 24789
19 32103
20 40213
21 50615
22 62260
23 77209
24 93099
25 113504
26 135431
27 162341
28 191396
29 227355
30 264463
31 310838
32 359322
33 417212
34 478408
35 551944
36 626971
37 718360
38 812311
39 922407
40 1036667

List of values

[1, 5, 19, 49, 118, 225, 434, 729, 1209, 1850, 2850, 4059, 5878, 8044, 11020, 14566, 19410, 24789, 32103, 40213, 50615, 62260, 77209, 93099, 113504, 135431, 162341, 191396, 227355, 264463, 310838, 359322, 417212, 478408, 551944, 626971, 718360, 812311, 922407, 1036667]

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

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