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.

A228378 Numbers n such that tb(n) = tb(n+1) where tb(n) = A048784(n) is the number of divisors of binomial(2*n, n).

Table of values

n a(n)
1 9
2 10
3 22
4 34
5 44
6 45
7 51
8 56
9 82
10 106
11 130
12 141
13 142
14 162
15 166
16 177
17 185
18 190
19 230
20 262
21 273
22 274
23 320
24 322
25 346
26 352
27 354
28 394
29 440
30 454
31 470
32 526
33 536
34 550
35 562
36 586
37 606
38 624
39 635
40 670
41 692
42 717
43 754
44 766
45 779
46 814
47 826
48 831
49 862
50 882
51 891
52 920
53 934

List of values

[9, 10, 22, 34, 44, 45, 51, 56, 82, 106, 130, 141, 142, 162, 166, 177, 185, 190, 230, 262, 273, 274, 320, 322, 346, 352, 354, 394, 440, 454, 470, 526, 536, 550, 562, 586, 606, 624, 635, 670, 692, 717, 754, 766, 779, 814, 826, 831, 862, 882, 891, 920, 934]