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.

A182237 Numbers occurring exactly in 2 rows of Pascal's triangle.

Table of values

n a(n)
1 6
2 10
3 15
4 20
5 21
6 28
7 35
8 36
9 45
10 55
11 56
12 66
13 70
14 78
15 84
16 91
17 105
18 126
19 136
20 153
21 165
22 171
23 190
24 220
25 231
26 252
27 253
28 276
29 286
30 300
31 325
32 330
33 351
34 364
35 378
36 406
37 435
38 455
39 462
40 465
41 495
42 496
43 528
44 560
45 561
46 595
47 630
48 666
49 680
50 703
51 715
52 741
53 780
54 792
55 816

List of values

[6, 10, 15, 20, 21, 28, 35, 36, 45, 55, 56, 66, 70, 78, 84, 91, 105, 126, 136, 153, 165, 171, 190, 220, 231, 252, 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]