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.

A188236 T(n,k)=Number of nondecreasing arrangements of n numbers in -(n+k-2)..(n+k-2) with sum zero and not more than two numbers equal.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 3
6 4
7 1
8 4
9 7
10 15
11 1
12 5
13 12
14 30
15 58
16 1
17 6
18 17
19 52
20 119
21 245
22 1
23 7
24 24
25 81
26 221
27 527
28 1082
29 1
30 8
31 31
32 121
33 374
34 1019
35 2395
36 5020
37 1
38 9
39 40
40 172
41 598
42 1818
43 4818
44 11376
45 24040
46 1
47 10
48 49
49 234
50 903
51 3047
52 8964
53 23522
54 55368
55 118154
56 1
57 11
58 60
59 311
60 1317
61 4859

List of values

[1, 1, 2, 1, 3, 4, 1, 4, 7, 15, 1, 5, 12, 30, 58, 1, 6, 17, 52, 119, 245, 1, 7, 24, 81, 221, 527, 1082, 1, 8, 31, 121, 374, 1019, 2395, 5020, 1, 9, 40, 172, 598, 1818, 4818, 11376, 24040, 1, 10, 49, 234, 903, 3047, 8964, 23522, 55368, 118154, 1, 11, 60, 311, 1317, 4859]