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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.

A212782 T(n,k)=Half the number of 0..k arrays of length n+2 with second differences nonzero.

Table of values

n a(n)
1 3
2 11
3 5
4 28
5 27
6 8
7 56
8 99
9 66
10 13
11 99
12 252
13 350
14 162
15 21
16 159
17 546
18 1134
19 1238
20 397
21 34
22 240
23 1034
24 3010
25 5104
26 4379
27 973
28 55
29 344
30 1803
31 6724
32 16594
33 22972
34 15490
35 2385
36 89
37 475
38 2925
39 13544
40 43727
41 91482
42 103391
43 54793
44 5846
45 144
46 635
47 4517
48 24870
49 101743

List of values

[3, 11, 5, 28, 27, 8, 56, 99, 66, 13, 99, 252, 350, 162, 21, 159, 546, 1134, 1238, 397, 34, 240, 1034, 3010, 5104, 4379, 973, 55, 344, 1803, 6724, 16594, 22972, 15490, 2385, 89, 475, 2925, 13544, 43727, 91482, 103391, 54793, 5846, 144, 635, 4517, 24870, 101743]

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

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