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.

A288870 Triangle T from array A(k,n) = (2*k+1)*2^n + 1, k >=0, n >= 0 read by downwards antidiagonals.

Table of values

n a(n)
0 2
1 3
2 4
3 5
4 7
5 6
6 9
7 13
8 11
9 8
10 17
11 25
12 21
13 15
14 10
15 33
16 49
17 41
18 29
19 19
20 12
21 65
22 97
23 81
24 57
25 37
26 23
27 14
28 129
29 193
30 161
31 113
32 73
33 45
34 27
35 16
36 257
37 385
38 321
39 225
40 145
41 89
42 53
43 31
44 18
45 513
46 769
47 641
48 449
49 289
50 177
51 105
52 61
53 35
54 20
55 1025
56 1537
57 1281
58 897
59 577
60 353
61 209
62 121
63 69
64 39
65 22

List of values

[2, 3, 4, 5, 7, 6, 9, 13, 11, 8, 17, 25, 21, 15, 10, 33, 49, 41, 29, 19, 12, 65, 97, 81, 57, 37, 23, 14, 129, 193, 161, 113, 73, 45, 27, 16, 257, 385, 321, 225, 145, 89, 53, 31, 18, 513, 769, 641, 449, 289, 177, 105, 61, 35, 20, 1025, 1537, 1281, 897, 577, 353, 209, 121, 69, 39, 22]