A317659 - cp's OEIS frontend

A317659 Regular triangle where T(n,k) is the number of distinct free pure symmetric multifunctions (with empty expressions allowed) with one atom, n positions, and k leaves.

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	0
7	1
8	3
9	1
10	0
11	1
12	6
13	5
14	1
15	0
16	1
17	10
18	17
19	7
20	1
21	0
22	1
23	15
24	43
25	33
26	9
27	1
28	0
29	1
30	21
31	92
32	118
33	55
34	11
35	1
36	0
37	1
38	28
39	174
40	341
41	252
42	82
43	13
44	1
45	0
46	1
47	36
48	302
49	845
50	935
51	463
52	115
53	15
54	1
55	0
56	1
57	45
58	490
59	1864
60	2921
61	2103
62	769
63	153
64	17
65	1
66	0
67	1
68	55
69	755

[1, 1, 0, 1, 1, 0, 1, 3, 1, 0, 1, 6, 5, 1, 0, 1, 10, 17, 7, 1, 0, 1, 15, 43, 33, 9, 1, 0, 1, 21, 92, 118, 55, 11, 1, 0, 1, 28, 174, 341, 252, 82, 13, 1, 0, 1, 36, 302, 845, 935, 463, 115, 15, 1, 0, 1, 45, 490, 1864, 2921, 2103, 769, 153, 17, 1, 0, 1, 55, 755]

cp's OEIS Frontend

A317659 Regular triangle where T(n,k) is the number of distinct free pure symmetric multifunctions (with empty expressions allowed) with one atom, n positions, and k leaves.

Table of values

List of values