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.

A099961 Triangle read by rows: Each row is constructed by forming the partial sums of the previous row, reading from the right and at every third row repeating the final term.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 2
6 2
7 3
8 3
9 5
10 5
11 5
12 10
13 13
14 13
15 23
16 28
17 28
18 51
19 64
20 64
21 64
22 128
23 179
24 207
25 207
26 386
27 514
28 578
29 578
30 1092
31 1478
32 1685
33 1685
34 1685
35 3370
36 4848
37 5940
38 6518
39 6518
40 12458
41 17306
42 20676
43 22361
44 22361
45 43037
46 60343
47 72801
48 79319
49 79319
50 79319

List of values

[1, 1, 1, 1, 1, 2, 2, 3, 3, 5, 5, 5, 10, 13, 13, 23, 28, 28, 51, 64, 64, 64, 128, 179, 207, 207, 386, 514, 578, 578, 1092, 1478, 1685, 1685, 1685, 3370, 4848, 5940, 6518, 6518, 12458, 17306, 20676, 22361, 22361, 43037, 60343, 72801, 79319, 79319, 79319]