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.

A181558 Index of first occurrence of 2n in A031883, or 0 if 2n never occurs in A031883 = first differences of lucky numbers A000959.

Table of values

n a(n)
1 1
2 2
3 6
4 20
5 31
6 14
7 126
8 85
9 36
10 145
11 140
12 122
13 376
14 231
15 162
16 483
17 692
18 600
19 993
20 1188
21 1106
22 2440
23 1080
24 2814
25 2586
26 450
27 2696
28 3473
29 4254
30 4857
31 5918
32 2364
33 4760
34 4818
35 21192
36 13116
37 19284
38 14855
39 12158
40 31032
41 18174
42 15068
43 35700
44 56846
45 27367
46 33716
47 13736
48 16746
49 103292
50 8541

List of values

[1, 2, 6, 20, 31, 14, 126, 85, 36, 145, 140, 122, 376, 231, 162, 483, 692, 600, 993, 1188, 1106, 2440, 1080, 2814, 2586, 450, 2696, 3473, 4254, 4857, 5918, 2364, 4760, 4818, 21192, 13116, 19284, 14855, 12158, 31032, 18174, 15068, 35700, 56846, 27367, 33716, 13736, 16746, 103292, 8541]