A158497 - cp's OEIS frontend

A158497 Triangle T(n,k) formed by the coordination sequences and the number of leaves for trees.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	1
7	3
8	6
9	12
10	1
11	4
12	12
13	36
14	108
15	1
16	5
17	20
18	80
19	320
20	1280
21	1
22	6
23	30
24	150
25	750
26	3750
27	18750
28	1
29	7
30	42
31	252
32	1512
33	9072
34	54432
35	326592
36	1
37	8
38	56
39	392
40	2744
41	19208
42	134456
43	941192
44	6588344
45	1
46	9
47	72
48	576
49	4608
50	36864
51	294912
52	2359296
53	18874368
54	150994944
55	1
56	10
57	90
58	810
59	7290
60	65610
61	590490
62	5314410
63	47829690
64	430467210
65	3874204890

[1, 1, 1, 1, 2, 2, 1, 3, 6, 12, 1, 4, 12, 36, 108, 1, 5, 20, 80, 320, 1280, 1, 6, 30, 150, 750, 3750, 18750, 1, 7, 42, 252, 1512, 9072, 54432, 326592, 1, 8, 56, 392, 2744, 19208, 134456, 941192, 6588344, 1, 9, 72, 576, 4608, 36864, 294912, 2359296, 18874368, 150994944, 1, 10, 90, 810, 7290, 65610, 590490, 5314410, 47829690, 430467210, 3874204890]

cp's OEIS Frontend

A158497 Triangle T(n,k) formed by the coordination sequences and the number of leaves for trees.

Table of values

List of values