A064651 - cp's OEIS frontend

A064651 a(n) = ceiling(a(n-1)/2) + a(n-2) with a(0)=0 and a(1)=1.

n	a(n)
0	0
1	1
2	1
3	2
4	2
5	3
6	4
7	5
8	7
9	9
10	12
11	15
12	20
13	25
14	33
15	42
16	54
17	69
18	89
19	114
20	146
21	187
22	240
23	307
24	394
25	504
26	646
27	827
28	1060
29	1357
30	1739
31	2227
32	2853
33	3654
34	4680
35	5994
36	7677
37	9833
38	12594
39	16130
40	20659
41	26460
42	33889
43	43405
44	55592
45	71201
46	91193
47	116798
48	149592

[0, 1, 1, 2, 2, 3, 4, 5, 7, 9, 12, 15, 20, 25, 33, 42, 54, 69, 89, 114, 146, 187, 240, 307, 394, 504, 646, 827, 1060, 1357, 1739, 2227, 2853, 3654, 4680, 5994, 7677, 9833, 12594, 16130, 20659, 26460, 33889, 43405, 55592, 71201, 91193, 116798, 149592]

cp's OEIS Frontend

A064651 a(n) = ceiling(a(n-1)/2) + a(n-2) with a(0)=0 and a(1)=1.

Table of values

List of values