A113435 - cp's OEIS frontend

A113435 a(n) = a(n-1) + Sum_{k=0..n/3} a(n-3k) with a(0)=1.

n	a(n)
0	1
1	1
2	1
3	2
4	3
5	4
6	7
7	11
8	16
9	26
10	41
11	62
12	98
13	154
14	237
15	371
16	581
17	901
18	1406
19	2197
20	3418
21	5329
22	8317
23	12956
24	20196
25	31501
26	49096
27	76532
28	119338
29	186029
30	289997
31	452141
32	704861
33	1098826
34	1713111
35	2670692
36	4163483
37	6490879
38	10119152
39	15775426

[1, 1, 1, 2, 3, 4, 7, 11, 16, 26, 41, 62, 98, 154, 237, 371, 581, 901, 1406, 2197, 3418, 5329, 8317, 12956, 20196, 31501, 49096, 76532, 119338, 186029, 289997, 452141, 704861, 1098826, 1713111, 2670692, 4163483, 6490879, 10119152, 15775426]

cp's OEIS Frontend

A113435 a(n) = a(n-1) + Sum_{k=0..n/3} a(n-3k) with a(0)=1.

Table of values

List of values