A215005 - cp's OEIS frontend

A215005 a(n) = a(n-2) + a(n-1) + floor(n/2) + 1 for n > 1 and a(0)=0, a(1)=1.

n	a(n)
0	0
1	1
2	3
3	6
4	12
5	21
6	37
7	62
8	104
9	171
10	281
11	458
12	746
13	1211
14	1965
15	3184
16	5158
17	8351
18	13519
19	21880
20	35410
21	57301
22	92723
23	150036
24	242772
25	392821
26	635607
27	1028442
28	1664064
29	2692521
30	4356601
31	7049138
32	11405756
33	18454911
34	29860685
35	48315614
36	78176318
37	126491951
38	204668289

[0, 1, 3, 6, 12, 21, 37, 62, 104, 171, 281, 458, 746, 1211, 1965, 3184, 5158, 8351, 13519, 21880, 35410, 57301, 92723, 150036, 242772, 392821, 635607, 1028442, 1664064, 2692521, 4356601, 7049138, 11405756, 18454911, 29860685, 48315614, 78176318, 126491951, 204668289]

cp's OEIS Frontend

A215005 a(n) = a(n-2) + a(n-1) + floor(n/2) + 1 for n > 1 and a(0)=0, a(1)=1.

Table of values

List of values