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.

A317714 Chessboard rectangles sequence (see Comments), also A037270 interleaved with A163102.

Table of values

n a(n)
1 0
2 0
3 1
4 2
5 10
6 18
7 45
8 72
9 136
10 200
11 325
12 450
13 666
14 882
15 1225
16 1568
17 2080
18 2592
19 3321
20 4050
21 5050
22 6050
23 7381
24 8712
25 10440
26 12168
27 14365
28 16562
29 19306
30 22050
31 25425
32 28800
33 32896
34 36992
35 41905
36 46818
37 52650
38 58482
39 65341
40 72200
41 80200
42 88200
43 97461
44 106722
45 117370

List of values

[0, 0, 1, 2, 10, 18, 45, 72, 136, 200, 325, 450, 666, 882, 1225, 1568, 2080, 2592, 3321, 4050, 5050, 6050, 7381, 8712, 10440, 12168, 14365, 16562, 19306, 22050, 25425, 28800, 32896, 36992, 41905, 46818, 52650, 58482, 65341, 72200, 80200, 88200, 97461, 106722, 117370]

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

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