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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.

A147795 If n=A000695(k_n)+2*A000695(l_n), then a(n) is the number of nonnegative integers m such that k_m differs from k_n and l_m differs from l_n.

Table of values

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

List of values

[0, 0, 1, 1, 2, 2, 3, 3, 6, 6, 7, 7, 8, 8, 9, 9, 12, 12, 13, 13, 14, 14, 15, 15, 18, 18, 19, 19, 20, 20, 21, 21, 28, 28, 29, 29, 30, 30, 31, 31, 34, 34, 35, 35, 36, 36, 37, 37, 40, 40, 41, 41, 42, 42, 43, 43, 46, 46, 47, 47, 48, 48, 49, 49]

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

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