A357308 - cp's OEIS frontend

A357308 a(0) = a(1) = 0, a(2) = 1; a(n) = a(n-1) + Sum_{k=0..n-3} a(k) * a(n-k-3).

n	a(n)
0	0
1	0
2	1
3	1
4	1
5	1
6	1
7	2
8	4
9	7
10	11
11	16
12	24
13	39
14	67
15	116
16	196
17	324
18	534
19	892
20	1516
21	2601
22	4463
23	7630
24	13022
25	22276
26	38286
27	66084
28	114328
29	197929
30	342783
31	594218
32	1031794
33	1794944
34	3127450
35	5455272
36	9523812
37	16640542
38	29102938
39	50951070
40	89289998
41	156616648
42	274923328
43	482945930
44	848972814

[0, 0, 1, 1, 1, 1, 1, 2, 4, 7, 11, 16, 24, 39, 67, 116, 196, 324, 534, 892, 1516, 2601, 4463, 7630, 13022, 22276, 38286, 66084, 114328, 197929, 342783, 594218, 1031794, 1794944, 3127450, 5455272, 9523812, 16640542, 29102938, 50951070, 89289998, 156616648, 274923328, 482945930, 848972814]

cp's OEIS Frontend

A357308 a(0) = a(1) = 0, a(2) = 1; a(n) = a(n-1) + Sum_{k=0..n-3} a(k) * a(n-k-3).

Table of values

List of values