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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.

A260307 a(n) = a(n-1) + a(n-2) - a(n-3) + a(n-6) - a(n-7) - a(n-8) + a(n-9) with a(0) - a(8) as shown below.

Table of values

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

List of values

[1, 2, 3, 4, 6, 5, 8, 7, 10, 9, 13, 10, 15, 12, 17, 14, 20, 15, 22, 17, 24, 19, 27, 20, 29, 22, 31, 24, 34, 25, 36, 27, 38, 29, 41, 30, 43, 32, 45, 34, 48, 35, 50, 37, 52, 39, 55, 40, 57, 42, 59, 44, 62, 45, 64, 47, 66, 49, 69, 50, 71, 52, 73, 54, 76, 55, 78]

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

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