A174618 - cp's OEIS frontend

A174618 For n odd a(n) = a(n-2) + a(n-3), for n even a(n) = a(n-2) + a(n-5); with a(1) = 0, a(2) = 1.

n	a(n)
1	0
2	1
3	0
4	1
5	1
6	1
7	2
8	1
9	3
10	2
11	4
12	4
13	6
14	7
15	10
16	11
17	17
18	17
19	28
20	27
21	45
22	44
23	72
24	72
25	116
26	117
27	188
28	189
29	305
30	305
31	494
32	493
33	799
34	798
35	1292
36	1292
37	2090
38	2091
39	3382
40	3383
41	5473
42	5473
43	8856
44	8855
45	14329
46	14328
47	23184
48	23184
49	37512
50	37513
51	60696

[0, 1, 0, 1, 1, 1, 2, 1, 3, 2, 4, 4, 6, 7, 10, 11, 17, 17, 28, 27, 45, 44, 72, 72, 116, 117, 188, 189, 305, 305, 494, 493, 799, 798, 1292, 1292, 2090, 2091, 3382, 3383, 5473, 5473, 8856, 8855, 14329, 14328, 23184, 23184, 37512, 37513, 60696]

cp's OEIS Frontend

A174618 For n odd a(n) = a(n-2) + a(n-3), for n even a(n) = a(n-2) + a(n-5); with a(1) = 0, a(2) = 1.

Table of values

List of values