A064650 - cp's OEIS frontend

A064650 a(n) = floor(a(n-1)/2) + a(n-2) with a(0)=1, a(1)=2.

n	a(n)
0	1
1	2
2	2
3	3
4	3
5	4
6	5
7	6
8	8
9	10
10	13
11	16
12	21
13	26
14	34
15	43
16	55
17	70
18	90
19	115
20	147
21	188
22	241
23	308
24	395
25	505
26	647
27	828
28	1061
29	1358
30	1740
31	2228
32	2854
33	3655
34	4681
35	5995
36	7678
37	9834
38	12595
39	16131
40	20660
41	26461
42	33890
43	43406
44	55593
45	71202
46	91194
47	116799
48	149593
49	191595

[1, 2, 2, 3, 3, 4, 5, 6, 8, 10, 13, 16, 21, 26, 34, 43, 55, 70, 90, 115, 147, 188, 241, 308, 395, 505, 647, 828, 1061, 1358, 1740, 2228, 2854, 3655, 4681, 5995, 7678, 9834, 12595, 16131, 20660, 26461, 33890, 43406, 55593, 71202, 91194, 116799, 149593, 191595]

cp's OEIS Frontend

A064650 a(n) = floor(a(n-1)/2) + a(n-2) with a(0)=1, a(1)=2.

Table of values

List of values