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.

A138781 Triangle read by rows: coefficients of polynomials arising in the spontaneous magnetization of the anisotropic square lattice Ising model (see pp. 174-5 of the Guttmann reference).

Table of values

n a(n)
1 1
2 2
3 3
4 2
5 3
6 16
7 32
8 16
9 3
10 4
11 46
12 200
13 305
14 200
15 46
16 4
17 5
18 100
19 770
20 2380
21 3472
22 2380
23 770
24 100
25 5
26 6
27 185
28 2230
29 11600
30 30240
31 41244
32 30240
33 11600
34 2230
35 185
36 6
37 7
38 308
39 5362
40 42140
41 172795
42 393008
43 515332
44 393008
45 172795
46 42140
47 5362
48 308
49 7

List of values

[1, 2, 3, 2, 3, 16, 32, 16, 3, 4, 46, 200, 305, 200, 46, 4, 5, 100, 770, 2380, 3472, 2380, 770, 100, 5, 6, 185, 2230, 11600, 30240, 41244, 30240, 11600, 2230, 185, 6, 7, 308, 5362, 42140, 172795, 393008, 515332, 393008, 172795, 42140, 5362, 308, 7]