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.

A304485 Regular triangle where T(n,k) is the number of inequivalent colorings of free pure symmetric multifunctions (with empty expressions allowed) with n positions and k leaves.

Table of values

n a(n)
1 1
2 1
3 0
4 1
5 2
6 0
7 1
8 6
9 4
10 0
11 1
12 12
13 23
14 7
15 0
16 1
17 20
18 81
19 73
20 12
21 0
22 1
23 30
24 209
25 407
26 206
27 19
28 0
29 1
30 42
31 451
32 1566
33 1751
34 534
35 30
36 0
37 1
38 56
39 858
40 4711
41 9593
42 6695
43 1299
44 45
45 0
46 1
47 72
48 1494
49 11951
50 39255
51 51111
52 23530
53 3004
54 67
55 0
56 1
57 90
58 2430
59 26752
60 130220
61 278570
62 245319
63 77205
64 6664
65 97
66 0

List of values

[1, 1, 0, 1, 2, 0, 1, 6, 4, 0, 1, 12, 23, 7, 0, 1, 20, 81, 73, 12, 0, 1, 30, 209, 407, 206, 19, 0, 1, 42, 451, 1566, 1751, 534, 30, 0, 1, 56, 858, 4711, 9593, 6695, 1299, 45, 0, 1, 72, 1494, 11951, 39255, 51111, 23530, 3004, 67, 0, 1, 90, 2430, 26752, 130220, 278570, 245319, 77205, 6664, 97, 0]