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.

A209418 Triangle of coefficients of polynomials v(n,x) jointly generated with A209417; see the Formula section.

Table of values

n a(n)
1 1
2 1
3 3
4 1
5 4
6 7
7 1
8 7
9 13
10 15
11 1
12 8
13 30
14 38
15 31
16 1
17 11
18 42
19 104
20 103
21 63
22 1
23 12
24 69
25 178
26 321
27 264
28 127
29 1
30 15
31 87
32 331
33 657
34 921
35 649
36 255
37 1
38 16
39 124
40 484
41 1354
42 2200
43 2512
44 1546
45 511
46 1
47 19
48 148
49 760
50 2266
51 4978
52 6856
53 6598
54 3595
55 1023
56 1
57 20
58 195
59 1020
60 3870
61 9384
62 16938
63 20226
64 16827
65 8204
66 2047

List of values

[1, 1, 3, 1, 4, 7, 1, 7, 13, 15, 1, 8, 30, 38, 31, 1, 11, 42, 104, 103, 63, 1, 12, 69, 178, 321, 264, 127, 1, 15, 87, 331, 657, 921, 649, 255, 1, 16, 124, 484, 1354, 2200, 2512, 1546, 511, 1, 19, 148, 760, 2266, 4978, 6856, 6598, 3595, 1023, 1, 20, 195, 1020, 3870, 9384, 16938, 20226, 16827, 8204, 2047]