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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.

A152227 Eigentriangle, row sums = A002426.

Table of values

n a(n)
1 1
2 2
3 1
4 2
5 2
6 3
7 4
8 2
9 6
10 7
11 8
12 4
13 6
14 14
15 19
16 18
17 8
18 12
19 14
20 38
21 51
22 42
23 18
24 24
25 28
26 38
27 102
28 141
29 102
30 42
31 54
32 56
33 76
34 102
35 282
36 393254
37 102
38 126
39 126
40 152
41 204
42 282
43 786
44 1107
45 646
46 254
47 306
48 2944
49 342
50 408
51 564
52 786
53 2214
54 3139

List of values

[1, 2, 1, 2, 2, 3, 4, 2, 6, 7, 8, 4, 6, 14, 19, 18, 8, 12, 14, 38, 51, 42, 18, 24, 28, 38, 102, 141, 102, 42, 54, 56, 76, 102, 282, 393254, 102, 126, 126, 152, 204, 282, 786, 1107, 646, 254, 306, 2944, 342, 408, 564, 786, 2214, 3139]

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

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