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.

A331089 Positive numbers k such that -k and -(k + 1) are both negative negaFibonacci-Niven numbers (A331088).

Table of values

n a(n)
1 1
2 2
3 3
4 15
5 20
6 21
7 44
8 50
9 54
10 55
11 56
12 57
13 75
14 104
15 110
16 111
17 115
18 128
19 141
20 152
21 175
22 207
23 264
24 291
25 304
26 308
27 335
28 351
29 363
30 376
31 377
32 380
33 392
34 398
35 399
36 435
37 452
38 455
39 534
40 584
41 594
42 605
43 623
44 654
45 735
46 740
47 744
48 753
49 795
50 804
51 875
52 884
53 897
54 924
55 964
56 968

List of values

[1, 2, 3, 15, 20, 21, 44, 50, 54, 55, 56, 57, 75, 104, 110, 111, 115, 128, 141, 152, 175, 207, 264, 291, 304, 308, 335, 351, 363, 376, 377, 380, 392, 398, 399, 435, 452, 455, 534, 584, 594, 605, 623, 654, 735, 740, 744, 753, 795, 804, 875, 884, 897, 924, 964, 968]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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