A129095 - cp's OEIS frontend

A129095 Semi-Pell numbers: a(n) = a(n/2) (n even), a(n) = 2*a(n-1) + a(n-2) (n odd >1), with a(1) = 1.

n	a(n)
1	1
2	1
3	3
4	1
5	5
6	3
7	11
8	1
9	13
10	5
11	23
12	3
13	29
14	11
15	51
16	1
17	53
18	13
19	79
20	5
21	89
22	23
23	135
24	3
25	141
26	29
27	199
28	11
29	221
30	51
31	323
32	1
33	325
34	53
35	431
36	13
37	457
38	79
39	615
40	5
41	625
42	89
43	803
44	23
45	849
46	135
47	1119
48	3
49	1125
50	141
51	1407
52	29
53	1465
54	199
55	1863
56	11
57	1885
58	221
59	2327
60	51
61	2429
62	323

[1, 1, 3, 1, 5, 3, 11, 1, 13, 5, 23, 3, 29, 11, 51, 1, 53, 13, 79, 5, 89, 23, 135, 3, 141, 29, 199, 11, 221, 51, 323, 1, 325, 53, 431, 13, 457, 79, 615, 5, 625, 89, 803, 23, 849, 135, 1119, 3, 1125, 141, 1407, 29, 1465, 199, 1863, 11, 1885, 221, 2327, 51, 2429, 323]

cp's OEIS Frontend

A129095 Semi-Pell numbers: a(n) = a(n/2) (n even), a(n) = 2*a(n-1) + a(n-2) (n odd >1), with a(1) = 1.

Table of values

List of values