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.

A055249 Triangle of partial row sums (prs) of triangle A055248 (prs of Pascal's triangle A007318).

Table of values

n a(n)
0 1
1 3
2 1
3 8
4 4
5 1
6 20
7 12
8 5
9 1
10 48
11 32
12 17
13 6
14 1
15 112
16 80
17 49
18 23
19 7
20 1
21 256
22 192
23 129
24 72
25 30
26 8
27 1
28 576
29 448
30 321
31 201
32 102
33 38
34 9
35 1
36 1280
37 1024
38 769
39 522
40 303
41 140
42 47
43 10
44 1
45 2816
46 2304
47 1793
48 1291
49 825
50 443
51 187
52 57
53 11
54 1
55 6144
56 5120
57 4097
58 3084
59 2116
60 1268
61 630

List of values

[1, 3, 1, 8, 4, 1, 20, 12, 5, 1, 48, 32, 17, 6, 1, 112, 80, 49, 23, 7, 1, 256, 192, 129, 72, 30, 8, 1, 576, 448, 321, 201, 102, 38, 9, 1, 1280, 1024, 769, 522, 303, 140, 47, 10, 1, 2816, 2304, 1793, 1291, 825, 443, 187, 57, 11, 1, 6144, 5120, 4097, 3084, 2116, 1268, 630]