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.

A011972 Sequence formed by reading rows of triangle defined in A011971.

Table of values

n a(n)
0 1
1 2
2 3
3 5
4 7
5 10
6 15
7 20
8 27
9 37
10 52
11 67
12 87
13 114
14 151
15 203
16 255
17 322
18 409
19 523
20 674
21 877
22 1080
23 1335
24 1657
25 2066
26 2589
27 3263
28 4140
29 5017
30 6097
31 7432
32 9089
33 11155
34 13744
35 17007
36 21147
37 25287
38 30304
39 36401
40 43833
41 52922
42 64077
43 77821
44 94828

List of values

[1, 2, 3, 5, 7, 10, 15, 20, 27, 37, 52, 67, 87, 114, 151, 203, 255, 322, 409, 523, 674, 877, 1080, 1335, 1657, 2066, 2589, 3263, 4140, 5017, 6097, 7432, 9089, 11155, 13744, 17007, 21147, 25287, 30304, 36401, 43833, 52922, 64077, 77821, 94828]