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.

A337635 Number of numbers k <= n such that k is in A095096 and k+1 is in A020899.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 2
6 2
7 3
8 3
9 3
10 3
11 4
12 4
13 4
14 4
15 4
16 5
17 5
18 6
19 6
20 6
21 6
22 6
23 6
24 7
25 7
26 8
27 8
28 8
29 9
30 9
31 9
32 9
33 10
34 10
35 10
36 10
37 11
38 11
39 12
40 12
41 12
42 13
43 13
44 13
45 13
46 13
47 14
48 14
49 14
50 14
51 15
52 15
53 15
54 16
55 16
56 16
57 16
58 17
59 17
60 18
61 18
62 18
63 19
64 19
65 19
66 19
67 19
68 20
69 20
70 20
71 20
72 21
73 21
74 21
75 21
76 22
77 22
78 22
79 22

List of values

[1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 12, 12, 12, 13, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 16, 16, 16, 16, 17, 17, 18, 18, 18, 19, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22]

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

Content is available under The OEIS End-User License Agreement.