A166106 - cp's OEIS frontend

A166106 a(n) = a(n-1) + a(n-2) + F(n), with a(0) = 0, a(1) = 1, a(2) = a(1) + a(0), a(3) = a(2) + a(1), a(4) = a(3) + a(2) + 2.

n	a(n)
0	0
1	1
2	1
3	2
4	5
5	12
6	25
7	50
8	96
9	180
10	331
11	600
12	1075
13	1908
14	3360
15	5878
16	10225
17	17700
18	30509
19	52390
20	89664
21	153000
22	260375
23	442032
24	748775
25	1265832
26	2136000
27	3598250
28	6052061
29	10164540
30	17048641
31	28559450
32	47786400
33	79870428
34	133359715
35	222457608
36	370747675

[0, 1, 1, 2, 5, 12, 25, 50, 96, 180, 331, 600, 1075, 1908, 3360, 5878, 10225, 17700, 30509, 52390, 89664, 153000, 260375, 442032, 748775, 1265832, 2136000, 3598250, 6052061, 10164540, 17048641, 28559450, 47786400, 79870428, 133359715, 222457608, 370747675]

cp's OEIS Frontend

A166106 a(n) = a(n-1) + a(n-2) + F(n), with a(0) = 0, a(1) = 1, a(2) = a(1) + a(0), a(3) = a(2) + a(1), a(4) = a(3) + a(2) + 2.

Table of values

List of values