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.

A134507 Number of rectangles in a pyramid built with squares. The squares counted in A092498 are excluded.

Table of values

n a(n)
1 0
2 4
3 19
4 57
5 134
6 269
7 486
8 813
9 1281
10 1926
11 2788
12 3910
13 5340
14 7130
15 9335
16 12015
17 15234
18 19059
19 23562
20 28819
21 34909
22 41916
23 49928
24 59036
25 69336
26 80928
27 93915
28 108405
29 124510
30 142345
31 162030
32 183689
33 207449
34 233442
35 261804
36 292674
37 326196

List of values

[0, 4, 19, 57, 134, 269, 486, 813, 1281, 1926, 2788, 3910, 5340, 7130, 9335, 12015, 15234, 19059, 23562, 28819, 34909, 41916, 49928, 59036, 69336, 80928, 93915, 108405, 124510, 142345, 162030, 183689, 207449, 233442, 261804, 292674, 326196]

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

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