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.

A286595 Compound filter (2-adic valuation & deficiency/abundance): a(n) = P(A001511(n), A286449(n)), where P(n,k) is sequence A000027 used as a pairing function.

Table of values

n a(n)
1 1
2 3
3 2
4 6
5 4
6 12
7 11
8 10
9 16
10 5
11 22
12 48
13 37
14 8
15 11
16 15
17 46
18 68
19 67
20 108
21 22
22 107
23 106
24 175
25 137
26 30
27 154
28 18
29 172
30 138
31 191
32 21
33 67
34 173
35 106
36 256
37 232
38 57
39 106
40 329
41 277
42 138
43 301
44 13
45 37
46 353
47 352
48 501
49 407
50 467
51 191
52 24
53 466
54 138
55 497
56 634
57 562
58 632
59 631
60 744
61 704
62 192
63 106
64 28
65 352
66 138
67 742
68 39
69 301
70 38
71 781
72 950
73 862
74 597
75 596
76 58
77 631
78 138
79 904
80 1133
81 407

List of values

[1, 3, 2, 6, 4, 12, 11, 10, 16, 5, 22, 48, 37, 8, 11, 15, 46, 68, 67, 108, 22, 107, 106, 175, 137, 30, 154, 18, 172, 138, 191, 21, 67, 173, 106, 256, 232, 57, 106, 329, 277, 138, 301, 13, 37, 353, 352, 501, 407, 467, 191, 24, 466, 138, 497, 634, 562, 632, 631, 744, 704, 192, 106, 28, 352, 138, 742, 39, 301, 38, 781, 950, 862, 597, 596, 58, 631, 138, 904, 1133, 407]