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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.

A144034 Eigentriangle read by rows, T(n,k) = A123932(n-k+1)*A046717(k).

Table of values

n a(n)
1 1
2 4
3 1
4 4
5 4
6 5
7 4
8 4
9 20
10 13
11 4
12 4
13 20
14 52
15 41
16 4
17 4
18 20
19 52
20 164
21 121
22 4
23 4
24 20
25 52
26 164
27 484
28 365
29 4
30 4
31 20
32 52
33 164
34 484
35 1460
36 1093
37 4
38 4
39 20
40 52
41 164484
42 1460
43 4372
44 3281
45 4
46 4
47 20
48 52
49 164
50 484
51 1460
52 4372
53 13124
54 9841

List of values

[1, 4, 1, 4, 4, 5, 4, 4, 20, 13, 4, 4, 20, 52, 41, 4, 4, 20, 52, 164, 121, 4, 4, 20, 52, 164, 484, 365, 4, 4, 20, 52, 164, 484, 1460, 1093, 4, 4, 20, 52, 164484, 1460, 4372, 3281, 4, 4, 20, 52, 164, 484, 1460, 4372, 13124, 9841]

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

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