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.

A277809 Transpose of square array A277810.

Table of values

n a(n)
1 2
2 3
3 6
4 30
5 15
6 10
7 5
8 14
9 21
10 210
11 70
12 35
13 462
14 1155
15 22
16 105
17 330
18 55
19 910
20 39
21 858
22 42
23 33
24 2002
25 5005
26 72930
27 3315
28 1870
29 7
30 770
31 2145
32 714
33 85
34 2926
35 5187
36 9699690
37 154
38 77
39 390
40 3927
41 248710
42 11305
43 238602
44 111546435
45 46
46 231
47 546
48 91
49 3094
50 440895
51 152490
52 21505
53 93763670
54 87
55 4002
56 2310
57 1365
58 170170
59 17017
60 114114
61 9867
62 2306486
63 1078282205
64 620310
65 13485
66 7130

List of values

[2, 3, 6, 30, 15, 10, 5, 14, 21, 210, 70, 35, 462, 1155, 22, 105, 330, 55, 910, 39, 858, 42, 33, 2002, 5005, 72930, 3315, 1870, 7, 770, 2145, 714, 85, 2926, 5187, 9699690, 154, 77, 390, 3927, 248710, 11305, 238602, 111546435, 46, 231, 546, 91, 3094, 440895, 152490, 21505, 93763670, 87, 4002, 2310, 1365, 170170, 17017, 114114, 9867, 2306486, 1078282205, 620310, 13485, 7130]