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.

A286593 Compound filter (the length of rightmost run of 1's in base-2 & deficiency/abundance): a(n) = P(A089309(n), A286449(n)), where P(n,k) is sequence A000027 used as a pairing function.

Table of values

n a(n)
1 1
2 1
3 5
4 1
5 4
6 12
7 24
8 1
9 16
10 2
11 30
12 38
13 37
14 13
15 32
16 1
17 46
18 56
19 80
20 79
21 22
22 107
23 139
24 138
25 137
26 22
27 173
28 18
29 172
30 175
31 281
32 1
33 67
34 154
35 122
36 211
37 232
38 57
39 139
40 254
41 277
42 121
43 327
44 8
45 37
46 381
47 439
48 408
49 407
50 436
51 212
52 11
53 466
54 138
55 564
56 598
57 562
58 596
59 668
60 784
61 704
62 258
63 196
64 1
65 352
66 121
67 782
68 22
69 301
70 38
71 864
72 821
73 862
74 562
75 632
76 47
77 631
78 156
79 1039
80 947
81 407

List of values

[1, 1, 5, 1, 4, 12, 24, 1, 16, 2, 30, 38, 37, 13, 32, 1, 46, 56, 80, 79, 22, 107, 139, 138, 137, 22, 173, 18, 172, 175, 281, 1, 67, 154, 122, 211, 232, 57, 139, 254, 277, 121, 327, 8, 37, 381, 439, 408, 407, 436, 212, 11, 466, 138, 564, 598, 562, 596, 668, 784, 704, 258, 196, 1, 352, 121, 782, 22, 301, 38, 864, 821, 862, 562, 632, 47, 631, 156, 1039, 947, 407]