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.

A327263 Array T(n,k) in which the i-th row consists of numbers > 1 not in array U(i;n,k) = (i*n*k - (i-2)*A319929(n,k))/2 where i >= 1, n >= 1 and k >= 1, read by antidiagonals.

Table of values

n a(n)
1 3
2 5
3 2
4 9
5 3
6 2
7 13
8 5
9 3
10 2
11 21
12 7
13 4
14 3
15 2
16 25
17 11
18 5
19 4
20 3
21 2
22 33
23 13
24 7
25 5
26 4
27 3
28 2
29 37
30 17
31 9
32 6
33 5
34 4
35 3
36 2
37 45
38 19
39 10
40 7
41 6
42 5
43 4
44 3
45 2
46 57
47 23
48 13
49 9
50 7
51 6
52 5
53 4
54 3
55 2
56 61
57 29
58 15
59 11
60 8
61 7
62 6
63 5
64 4
65 3
66 2
67 73
68 31
69 17
70 12
71 9
72 8
73 7
74 6
75 5
76 4
77 3
78 2

List of values

[3, 5, 2, 9, 3, 2, 13, 5, 3, 2, 21, 7, 4, 3, 2, 25, 11, 5, 4, 3, 2, 33, 13, 7, 5, 4, 3, 2, 37, 17, 9, 6, 5, 4, 3, 2, 45, 19, 10, 7, 6, 5, 4, 3, 2, 57, 23, 13, 9, 7, 6, 5, 4, 3, 2, 61, 29, 15, 11, 8, 7, 6, 5, 4, 3, 2, 73, 31, 17, 12, 9, 8, 7, 6, 5, 4, 3, 2]