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.

A076136 Numbers n such that Omega(n) = Omega(n-1) + Omega(n-2), where Omega(n) (A001222) denotes the number of prime factors of n, counting multiplicity.

Table of values

n a(n)
1 3
2 4
3 8
4 12
5 16
6 36
7 40
8 54
9 63
10 75
11 88
12 104
13 112
14 132
15 135
16 140
17 150
18 195
19 200
20 204
21 208
22 220
23 252
24 279
25 280
26 294
27 328
28 375
29 390
30 399
31 405
32 408
33 416
34 423
35 444
36 456
37 464
38 486
39 510
40 516
41 520
42 525
43 558
44 560
45 592
46 612
47 615
48 616
49 620
50 630
51 636
52 644
53 656
54 663
55 680

List of values

[3, 4, 8, 12, 16, 36, 40, 54, 63, 75, 88, 104, 112, 132, 135, 140, 150, 195, 200, 204, 208, 220, 252, 279, 280, 294, 328, 375, 390, 399, 405, 408, 416, 423, 444, 456, 464, 486, 510, 516, 520, 525, 558, 560, 592, 612, 615, 616, 620, 630, 636, 644, 656, 663, 680]

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

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