cp's OEIS Frontend

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.

A225415 Triangle read by rows: absolute values of odd-numbered rows of A225434.

Table of values

n a(n)
1 1
2 1
3 58
4 1
5 1
6 1556
7 12006
8 1556
9 1
10 1
11 39054
12 1461615
13 5647300
14 1461615
15 39054
16 1
17 1
18 976552
19 135028828
20 1838120344
21 4873361350
22 1838120344
23 135028828
24 976552
25 1
26 1
27 24414050
28 11462721645
29 414730580760
30 3221733789330
31 6783391017228
32 3221733789330
33 414730580760
34 11462721645
35 24414050
36 1

List of values

[1, 1, 58, 1, 1, 1556, 12006, 1556, 1, 1, 39054, 1461615, 5647300, 1461615, 39054, 1, 1, 976552, 135028828, 1838120344, 4873361350, 1838120344, 135028828, 976552, 1, 1, 24414050, 11462721645, 414730580760, 3221733789330, 6783391017228, 3221733789330, 414730580760, 11462721645, 24414050, 1]