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.

A276943 Square array A(row,col) read by antidiagonals: A(1,col) = A276155(col), and for row > 1, A(row,col) = A276154(A(row-1,col)); Dispersion of primorial base left shift A276154 (array transposed).

Table of values

n a(n)
1 1
2 3
3 2
4 4
5 8
6 6
7 5
8 12
9 36
10 30
11 7
12 14
13 60
14 240
15 210
16 9
17 32
18 66
19 420
20 2520
21 2310
22 10
23 38
24 216
25 450
26 4620
27 32340
28 30030
29 11
30 42
31 246
32 2340
33 4830
34 60060
35 540540
36 510510
37 13
38 44
39 270
40 2550
41 30240
42 62370
43 1021020
44 10210200
45 9699690
46 15
47 62
48 276
49 2730
50 32550
51 512820
52 1051050
53 19399380
54 232792560
55 223092870

List of values

[1, 3, 2, 4, 8, 6, 5, 12, 36, 30, 7, 14, 60, 240, 210, 9, 32, 66, 420, 2520, 2310, 10, 38, 216, 450, 4620, 32340, 30030, 11, 42, 246, 2340, 4830, 60060, 540540, 510510, 13, 44, 270, 2550, 30240, 62370, 1021020, 10210200, 9699690, 15, 62, 276, 2730, 32550, 512820, 1051050, 19399380, 232792560, 223092870]