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.

A210878 Triangle of coefficients of polynomials u(n,x) jointly generated with A210879; see the Formula section.

Table of values

n a(n)
1 1
2 0
3 3
4 0
5 4
6 7
7 0
8 2
9 14
10 17
11 0
12 2
13 12
14 46
15 41
16 0
17 2
18 8
19 54
20 140
21 99
22 0
23 2
24 8
25 42
26 212
27 408
28 239
29 0
30 2
31 8
32 34
33 200
34 758
35 1154
36 577
37 0
38 2
39 8
40 34
41 160
42 866
43 2544
44 3194
45 1393
46 0
47 2
48 8
49 34
50 144
51 754
52 3448
53 8154
54 8696
55 3363
56 0
57 2
58 8
59 34
60 144
61 642
62 3400
63 12850

List of values

[1, 0, 3, 0, 4, 7, 0, 2, 14, 17, 0, 2, 12, 46, 41, 0, 2, 8, 54, 140, 99, 0, 2, 8, 42, 212, 408, 239, 0, 2, 8, 34, 200, 758, 1154, 577, 0, 2, 8, 34, 160, 866, 2544, 3194, 1393, 0, 2, 8, 34, 144, 754, 3448, 8154, 8696, 3363, 0, 2, 8, 34, 144, 642, 3400, 12850]