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.

A207609 Triangle of coefficients of polynomials v(n,x) jointly generated with A207608; see Formula section.

Table of values

n a(n)
1 1
2 1
3 3
4 1
5 8
6 3
7 1
8 15
9 17
10 3
11 1
12 24
13 54
14 26
15 3
16 1
17 35
18 130
19 120
20 35
21 3
22 1
23 48
24 265
25 398
26 213
27 44
28 3
29 1
30 63
31 483
32 1071
33 909
34 333
35 53
36 3
37 1
38 80
39 812
40 2492
41 3074
42 1744
43 480
44 62
45 3
46 1
47 99
48 1284
49 5208
50 8802
51 7138
52 2984
53 654
54 71
55 3
56 1
57 120
58 1935
59 10020
60 22230
61 24408
62 14370
63 4710
64 855
65 80
66 3

List of values

[1, 1, 3, 1, 8, 3, 1, 15, 17, 3, 1, 24, 54, 26, 3, 1, 35, 130, 120, 35, 3, 1, 48, 265, 398, 213, 44, 3, 1, 63, 483, 1071, 909, 333, 53, 3, 1, 80, 812, 2492, 3074, 1744, 480, 62, 3, 1, 99, 1284, 5208, 8802, 7138, 2984, 654, 71, 3, 1, 120, 1935, 10020, 22230, 24408, 14370, 4710, 855, 80, 3]