A298403 - cp's OEIS frontend

A298403 a(n) = 2*a(n-1) - a(n-3) + a(floor(n/2)), where a(0) = 1, a(1) = 2, a(2) = 3.

n	a(n)
0	1
1	2
2	3
3	7
4	15
5	30
6	60
7	112
8	209
9	373
10	664
11	1149
12	1985
13	3366
14	5695
15	9517
16	15877
17	26268
18	43392
19	71280
20	116956
21	191184
22	312237
23	508667
24	828135
25	1346018
26	2186735
27	3548701
28	5757079
29	9333118
30	15127052
31	24506542
32	39695843
33	64280511
34	104080748
35	168491921
36	272746723

[1, 2, 3, 7, 15, 30, 60, 112, 209, 373, 664, 1149, 1985, 3366, 5695, 9517, 15877, 26268, 43392, 71280, 116956, 191184, 312237, 508667, 828135, 1346018, 2186735, 3548701, 5757079, 9333118, 15127052, 24506542, 39695843, 64280511, 104080748, 168491921, 272746723]

cp's OEIS Frontend

A298403 a(n) = 2*a(n-1) - a(n-3) + a(floor(n/2)), where a(0) = 1, a(1) = 2, a(2) = 3.

Table of values

List of values