A143603 - cp's OEIS frontend

A143603 Triangle, read by rows, such that the g.f. of column k = G(x)^(2k+1) where G(x) = 1 + x*G(x)^3 is the g.f. of A001764 (ternary trees).

n	a(n)
1	1
2	1
3	1
4	3
5	3
6	1
7	12
8	12
9	5
10	1
11	55
12	55
13	25
14	7
15	1
16	273
17	273
18	130
19	42
20	9
21	1
22	1428
23	1428
24	700
25	245
26	63
27	11
28	1
29	7752
30	7752
31	3876
32	1428
33	408
34	88
35	13
36	1
37	43263
38	43263
39	21945
40	8379
41	2565
42	627
43	117
44	15
45	1
46	246675
47	246675
48	126500
49	49588
50	15939
51	4235
52	910
53	150
54	17
55	1

[1, 1, 1, 3, 3, 1, 12, 12, 5, 1, 55, 55, 25, 7, 1, 273, 273, 130, 42, 9, 1, 1428, 1428, 700, 245, 63, 11, 1, 7752, 7752, 3876, 1428, 408, 88, 13, 1, 43263, 43263, 21945, 8379, 2565, 627, 117, 15, 1, 246675, 246675, 126500, 49588, 15939, 4235, 910, 150, 17, 1]

cp's OEIS Frontend

A143603 Triangle, read by rows, such that the g.f. of column k = G(x)^(2k+1) where G(x) = 1 + x*G(x)^3 is the g.f. of A001764 (ternary trees).

Table of values

List of values