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.

A105158 Table T(n,k), read by downward antidiagonals, defined by : T(0,0) = 0, T(n,n) = 2^n for n>0, T(n,k) - T(n,n) = A102371(n - k) if 0<= k < n, T(n,k) - T(n,n) = A102370(k - n) if k >= n.

Table of values

n a(n)
0 0
1 3
2 3
3 6
4 2
5 6
6 5
7 5
8 5
9 15
10 4
11 8
12 4
13 28
14 15
15 7
16 7
17 9
18 23
19 61
20 10
21 6
22 10
23 8
24 18
25 44
26 126
27 9
28 17
29 9
30 11
31 17
32 39
33 93
34 251
35 8
36 12
37 8
38 14
39 16
40 34
41 76
42 190
43 504
44 11
45 11
46 19
47 13
48 19
49 33
50 71
51 157
52 379
53 1017
54 14
55 10
56 14
57 12
58 22
59 32
60 66
61 140
62 318
63 760
64 2042
65 13
66 13
67 13
68 23
69 21
70 35
71 65

List of values

[0, 3, 3, 6, 2, 6, 5, 5, 5, 15, 4, 8, 4, 28, 15, 7, 7, 9, 23, 61, 10, 6, 10, 8, 18, 44, 126, 9, 17, 9, 11, 17, 39, 93, 251, 8, 12, 8, 14, 16, 34, 76, 190, 504, 11, 11, 19, 13, 19, 33, 71, 157, 379, 1017, 14, 10, 14, 12, 22, 32, 66, 140, 318, 760, 2042, 13, 13, 13, 23, 21, 35, 65]