A346048 - cp's OEIS frontend

A346048 a(0) = ... = a(3) = 1; a(n) = Sum_{k=1..n-4} a(k) * a(n-k-4).

n	a(n)
0	1
1	1
2	1
3	1
4	0
5	1
6	2
7	3
8	3
9	3
10	5
11	9
12	15
13	19
14	24
15	35
16	59
17	95
18	137
19	191
20	280
21	445
22	706
23	1071
24	1575
25	2357
26	3663
27	5755
28	8890
29	13483
30	20518
31	31759
32	49658
33	77267
34	119135
35	183523
36	284793
37	444883
38	694798
39	1080865
40	1679142
41	2616399
42	4092497
43	6408249
44	10021176
45	15657643

[1, 1, 1, 1, 0, 1, 2, 3, 3, 3, 5, 9, 15, 19, 24, 35, 59, 95, 137, 191, 280, 445, 706, 1071, 1575, 2357, 3663, 5755, 8890, 13483, 20518, 31759, 49658, 77267, 119135, 183523, 284793, 444883, 694798, 1080865, 1679142, 2616399, 4092497, 6408249, 10021176, 15657643]

cp's OEIS Frontend

A346048 a(0) = ... = a(3) = 1; a(n) = Sum_{k=1..n-4} a(k) * a(n-k-4).

Table of values

List of values