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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.

A174625 Table T(n,k) with the coefficients of the polynomial P_n(x) = P_{n-1}(x) + x*P_{n-2}(x) + 1 in row n, by decreasing exponent of x.

Table of values

n a(n)
1 0
2 2
3 3
4 2
5 4
6 5
7 5
8 2
9 9
10 6
11 7
12 14
13 7
14 2
15 16
16 20
17 8
18 9
19 30
20 27
21 9
22 2
23 25
24 50
25 35
26 10
27 11
28 55
29 77
30 44
31 11
32 2
33 36
34 105
35 112
36 54
37 12
38 13
39 91
40 182
41 156
42 65
43 13
44 2
45 49
46 196
47 294
48 210
49 77
50 14
51 15
52 140
53 378
54 450
55 275
56 90
57 15
58 2
59 64
60 336
61 672
62 660
63 352
64 104
65 16
66 17
67 204
68 714
69 1122
70 935
71 442

List of values

[0, 2, 3, 2, 4, 5, 5, 2, 9, 6, 7, 14, 7, 2, 16, 20, 8, 9, 30, 27, 9, 2, 25, 50, 35, 10, 11, 55, 77, 44, 11, 2, 36, 105, 112, 54, 12, 13, 91, 182, 156, 65, 13, 2, 49, 196, 294, 210, 77, 14, 15, 140, 378, 450, 275, 90, 15, 2, 64, 336, 672, 660, 352, 104, 16, 17, 204, 714, 1122, 935, 442]