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.

A209750 Triangle of coefficients of polynomials v(n,x) jointly generated with A209749; see the Formula section.

Table of values

n a(n)
1 1
2 2
3 1
4 2
5 4
6 1
7 3
8 6
9 7
10 1
11 3
12 11
13 15
14 11
15 1
16 4
17 14
18 32
19 32
20 16
21 1
22 4
23 21
24 51
25 79
26 61
27 22
28 1
29 5
30 25
31 84
32 152
33 174
34 107
35 29
36 1
37 5
38 34
39 118
40 277
41 393
42 352
43 176
44 37
45 1
46 6
47 39
48 172
49 447
50 796
51 915
52 666
53 275
54 46
55 1
56 6
57 50
58 225
59 705
60 1446
61 2060
62 1965
63 1193
64 412
65 56
66 1

List of values

[1, 2, 1, 2, 4, 1, 3, 6, 7, 1, 3, 11, 15, 11, 1, 4, 14, 32, 32, 16, 1, 4, 21, 51, 79, 61, 22, 1, 5, 25, 84, 152, 174, 107, 29, 1, 5, 34, 118, 277, 393, 352, 176, 37, 1, 6, 39, 172, 447, 796, 915, 666, 275, 46, 1, 6, 50, 225, 705, 1446, 2060, 1965, 1193, 412, 56, 1]