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.

A249768 Row "sums" of triangle A245618, using the operation <+> defined in A245618.

Table of values

n a(n)
0 1
1 2
2 2
3 2
4 2
5 10
6 8
7 2
8 2
9 58
10 104
11 186
12 292
13 442
14 410
15 2
16 2
17 3434
18 6856
19 13674
20 27192
21 53912
22 105770
23 205628
24 389108
25 732762
26 1286970
27 2181624
28 3237606
29 5206764
30 4527418
31 2204
32 2
33 40384330
34 80768648
35 161537226
36 323074168
37 646146872
38 1292283522
39 2584509436

List of values

[1, 2, 2, 2, 2, 10, 8, 2, 2, 58, 104, 186, 292, 442, 410, 2, 2, 3434, 6856, 13674, 27192, 53912, 105770, 205628, 389108, 732762, 1286970, 2181624, 3237606, 5206764, 4527418, 2204, 2, 40384330, 80768648, 161537226, 323074168, 646146872, 1292283522, 2584509436]