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.

A172218 Number of ways to place 3 nonattacking nightriders on a 3 X n board.

Table of values

n a(n)
1 1
2 12
3 36
4 100
5 213
6 408
7 712
8 1148
9 1745
10 2528
11 3524
12 4760
13 6263
14 8060
15 10178
16 12644
17 15485
18 18728
19 22400
20 26528
21 31139
22 36260
23 41918
24 48140
25 54953
26 62384
27 70460
28 79208
29 88655
30 98828
31 109754
32 121460
33 133973
34 147320
35 161528
36 176624
37 192635

List of values

[1, 12, 36, 100, 213, 408, 712, 1148, 1745, 2528, 3524, 4760, 6263, 8060, 10178, 12644, 15485, 18728, 22400, 26528, 31139, 36260, 41918, 48140, 54953, 62384, 70460, 79208, 88655, 98828, 109754, 121460, 133973, 147320, 161528, 176624, 192635]