A275175 - cp's OEIS frontend

A275175 a(n) = (2 * a(n-3) + a(n-1) * a(n-5)) / a(n-6), a(0) = a(1) = ... = a(5) = 1.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	3
7	5
8	7
9	13
10	23
11	83
12	147
13	215
14	423
15	771
16	2801
17	4971
18	7281
19	14351
20	26181
21	95133
22	168845
23	247317
24	487493
25	889373
26	3231703
27	5735737
28	8401475
29	16560393
30	30212491
31	109782751
32	194846191
33	285402811
34	562565851
35	1026335311
36	3729381813
37	6619034735
38	9695294077
39	19110678523

[1, 1, 1, 1, 1, 1, 3, 5, 7, 13, 23, 83, 147, 215, 423, 771, 2801, 4971, 7281, 14351, 26181, 95133, 168845, 247317, 487493, 889373, 3231703, 5735737, 8401475, 16560393, 30212491, 109782751, 194846191, 285402811, 562565851, 1026335311, 3729381813, 6619034735, 9695294077, 19110678523]

cp's OEIS Frontend

A275175 a(n) = (2 * a(n-3) + a(n-1) * a(n-5)) / a(n-6), a(0) = a(1) = ... = a(5) = 1.

Table of values

List of values