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.

A136219 Number of terms in rows of irregular triangle A136218.

Table of values

n a(n)
0 1
1 3
2 7
3 13
4 22
5 33
6 47
7 64
8 84
9 106
10 131
11 159
12 190
13 224
14 261
15 301
16 343
17 388
18 436
19 487
20 541
21 598
22 658
23 721
24 787
25 856
26 928
27 1003
28 1081
29 1162
30 1245
31 1331
32 1420
33 1512
34 1607
35 1705
36 1806
37 1910
38 2017
39 2127
40 2240
41 2356
42 2475
43 2597
44 2722
45 2850
46 2981
47 3115
48 3252

List of values

[1, 3, 7, 13, 22, 33, 47, 64, 84, 106, 131, 159, 190, 224, 261, 301, 343, 388, 436, 487, 541, 598, 658, 721, 787, 856, 928, 1003, 1081, 1162, 1245, 1331, 1420, 1512, 1607, 1705, 1806, 1910, 2017, 2127, 2240, 2356, 2475, 2597, 2722, 2850, 2981, 3115, 3252]