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.

A260918 Number of squares of all sizes in polyominoes obtained by union of two pyramidal figures (A092498) with intersection equals A002623.

Table of values

n a(n)
0 0
1 1
2 5
3 15
4 33
5 60
6 100
7 154
8 224
9 313
10 423
11 555
12 713
13 898
14 1112
15 1358
16 1638
17 1953
18 2307
19 2701
20 3137
21 3618
22 4146
23 4722
24 5350
25 6031
26 6767
27 7561
28 8415
29 9330
30 10310
31 11356
32 12470
33 13655
34 14913
35 16245
36 17655
37 19144
38 20714
39 22368
40 24108
41 25935
42 27853
43 29863

List of values

[0, 1, 5, 15, 33, 60, 100, 154, 224, 313, 423, 555, 713, 898, 1112, 1358, 1638, 1953, 2307, 2701, 3137, 3618, 4146, 4722, 5350, 6031, 6767, 7561, 8415, 9330, 10310, 11356, 12470, 13655, 14913, 16245, 17655, 19144, 20714, 22368, 24108, 25935, 27853, 29863]

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

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