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.

A027447 Triangle read by rows: cube of the lower triangular mean matrix.

Table of values

n a(n)
1 1
2 7
3 1
4 85
5 19
6 4
7 415
8 115
9 37
10 9
11 12019
12 3799
13 1489
14 549
15 144
16 13489
17 4669
18 2059
19 919
20 364
21 100
22 726301
23 268921
24 128431
25 64171
26 30676
27 12700
28 3600
29 3144919
30 1227199
31 621139
32 334699
33 178669
34 89125
35 38025
36 11025
37 30300391
38 12335311
39 6527971
40 3714811
41 2134141
42 1187125
43 609625
44 265825
45 78400

List of values

[1, 7, 1, 85, 19, 4, 415, 115, 37, 9, 12019, 3799, 1489, 549, 144, 13489, 4669, 2059, 919, 364, 100, 726301, 268921, 128431, 64171, 30676, 12700, 3600, 3144919, 1227199, 621139, 334699, 178669, 89125, 38025, 11025, 30300391, 12335311, 6527971, 3714811, 2134141, 1187125, 609625, 265825, 78400]

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

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