A104978 - cp's OEIS frontend

A104978 Triangle read by rows, where the g.f. satisfies A(x, y) = 1 + xA(x, y)^2 + xy*A(x, y)^3.

n	a(n)
0	1
1	1
2	1
3	2
4	5
5	3
6	5
7	21
8	28
9	12
10	14
11	84
12	180
13	165
14	55
15	42
16	330
17	990
18	1430
19	1001
20	273
21	132
22	1287
23	5005
24	10010
25	10920
26	6188
27	1428
28	429
29	5005
30	24024
31	61880
32	92820
33	81396
34	38760
35	7752
36	1430
37	19448
38	111384
39	352716
40	678300
41	813960
42	596904
43	245157
44	43263
45	4862
46	75582
47	503880
48	1899240
49	4476780
50	6864396
51	6864396
52	4326300
53	1562275
54	246675

[1, 1, 1, 2, 5, 3, 5, 21, 28, 12, 14, 84, 180, 165, 55, 42, 330, 990, 1430, 1001, 273, 132, 1287, 5005, 10010, 10920, 6188, 1428, 429, 5005, 24024, 61880, 92820, 81396, 38760, 7752, 1430, 19448, 111384, 352716, 678300, 813960, 596904, 245157, 43263, 4862, 75582, 503880, 1899240, 4476780, 6864396, 6864396, 4326300, 1562275, 246675]

cp's OEIS Frontend

A104978 Triangle read by rows, where the g.f. satisfies A(x, y) = 1 + xA(x, y)^2 + xy*A(x, y)^3.

Table of values

List of values

cp's OEIS Frontend

A104978 Triangle read by rows, where the g.f. satisfies A(x, y) = 1 + x*A(x, y)^2 + x*y*A(x, y)^3.

Table of values

List of values

A104978 Triangle read by rows, where the g.f. satisfies A(x, y) = 1 + xA(x, y)^2 + xy*A(x, y)^3.