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.

A369304 Numbers k for which the polynomial (x-1)^3*(x+1)^k has more than one zero coefficient.

Table of values

n a(n)
1 3
2 6
3 14
4 19
5 31
6 38
7 54
8 63
9 83
10 94
11 118
12 131
13 159
14 174
15 206
16 223
17 259
18 278
19 318
20 339
21 383
22 406
23 454
24 479
25 531
26 558
27 614
28 643
29 703
30 734
31 798
32 831
33 899
34 934
35 1006
36 1043
37 1119
38 1158
39 1238
40 1279
41 1363
42 1406
43 1494
44 1539
45 1631
46 1678
47 1774
48 1823
49 1923
50 1974
51 2078
52 2131
53 2239
54 2294
55 2406
56 2463

List of values

[3, 6, 14, 19, 31, 38, 54, 63, 83, 94, 118, 131, 159, 174, 206, 223, 259, 278, 318, 339, 383, 406, 454, 479, 531, 558, 614, 643, 703, 734, 798, 831, 899, 934, 1006, 1043, 1119, 1158, 1238, 1279, 1363, 1406, 1494, 1539, 1631, 1678, 1774, 1823, 1923, 1974, 2078, 2131, 2239, 2294, 2406, 2463]