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.

A286259 Compound filter: a(n) = P(A001511(n), A049820(n)), where P(n,k) is sequence A000027 used as a pairing function.

Table of values

n a(n)
1 1
2 2
3 1
4 6
5 4
6 5
7 11
8 25
9 16
10 23
11 37
12 31
13 56
14 57
15 56
16 110
17 106
18 80
19 137
20 123
21 137
22 173
23 211
24 175
25 232
26 255
27 254
28 279
29 352
30 255
31 407
32 471
33 407
34 467
35 466
36 409
37 596
38 597
39 596
40 599
41 742
42 597
43 821
44 783
45 742
46 905
47 991
48 866
49 1036
50 992
51 1082
52 1131
53 1276
54 1083
55 1276
56 1279
57 1379
58 1487
59 1597
60 1228
61 1712
62 1713
63 1597
64 1960
65 1831
66 1713
67 2081
68 2019
69 2081
70 1955
71 2347
72 1957

List of values

[1, 2, 1, 6, 4, 5, 11, 25, 16, 23, 37, 31, 56, 57, 56, 110, 106, 80, 137, 123, 137, 173, 211, 175, 232, 255, 254, 279, 352, 255, 407, 471, 407, 467, 466, 409, 596, 597, 596, 599, 742, 597, 821, 783, 742, 905, 991, 866, 1036, 992, 1082, 1131, 1276, 1083, 1276, 1279, 1379, 1487, 1597, 1228, 1712, 1713, 1597, 1960, 1831, 1713, 2081, 2019, 2081, 1955, 2347, 1957]