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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.

A200330 Number of 0..n arrays x(0..6) of 7 elements with zero 3rd differences.

Table of values

n a(n)
1 2
2 3
3 4
4 5
5 6
6 13
7 20
8 27
9 36
10 49
11 62
12 81
13 100
14 119
15 146
16 177
17 208
18 247
19 286
20 329
21 380
22 435
23 490
24 555
25 624
26 697
27 780
28 867
29 954
30 1059
31 1164
32 1273
33 1394
34 1519
35 1648
36 1797
37 1946
38 2099
39 2264
40 2441
41 2618
42 2817
43 3016
44 3219
45 3444
46 3677
47 3910
48 4165
49 4420
50 4687
51 4974

List of values

[2, 3, 4, 5, 6, 13, 20, 27, 36, 49, 62, 81, 100, 119, 146, 177, 208, 247, 286, 329, 380, 435, 490, 555, 624, 697, 780, 867, 954, 1059, 1164, 1273, 1394, 1519, 1648, 1797, 1946, 2099, 2264, 2441, 2618, 2817, 3016, 3219, 3444, 3677, 3910, 4165, 4420, 4687, 4974]

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

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