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.

A098564 Numbers that appear as binomial coefficients exactly 4 times.

Table of values

n a(n)
1 10
2 15
3 21
4 28
5 35
6 36
7 45
8 55
9 56
10 66
11 78
12 84
13 91
14 105
15 126
16 136
17 153
18 165
19 171
20 190
21 220
22 231
23 253
24 276
25 286
26 300
27 325
28 330
29 351
30 364
31 378
32 406
33 435
34 455
35 462
36 465
37 495
38 496
39 528
40 560
41 561
42 595
43 630
44 666
45 680
46 703
47 715
48 741
49 780
50 792
51 816
52 820

List of values

[10, 15, 21, 28, 35, 36, 45, 55, 56, 66, 78, 84, 91, 105, 126, 136, 153, 165, 171, 190, 220, 231, 253, 276, 286, 300, 325, 330, 351, 364, 378, 406, 435, 455, 462, 465, 495, 496, 528, 560, 561, 595, 630, 666, 680, 703, 715, 741, 780, 792, 816, 820]