A353581 - cp's OEIS frontend

A353581 a(n) = 2a(n-1) + 2a(n-3) + a(n-4), with a(0) = 0 = a(1), a(2) = 2, and a(3) = 1.

n	a(n)
0	0
1	0
2	2
3	1
4	2
5	8
6	20
7	45
8	108
9	264
10	638
11	1537
12	3710
13	8960
14	21632
15	52221
16	126072
17	304368
18	734810
19	1773985
20	4282778
21	10339544
22	24961868
23	60263277
24	145488420
25	351240120
26	847968662
27	2047177441
28	4942323542
29	11931824528
30	28805972600
31	69543769725
32	167893512048
33	405330793824

[0, 0, 2, 1, 2, 8, 20, 45, 108, 264, 638, 1537, 3710, 8960, 21632, 52221, 126072, 304368, 734810, 1773985, 4282778, 10339544, 24961868, 60263277, 145488420, 351240120, 847968662, 2047177441, 4942323542, 11931824528, 28805972600, 69543769725, 167893512048, 405330793824]

cp's OEIS Frontend

A353581 a(n) = 2a(n-1) + 2a(n-3) + a(n-4), with a(0) = 0 = a(1), a(2) = 2, and a(3) = 1.

Table of values

List of values

cp's OEIS Frontend

A353581 a(n) = 2*a(n-1) + 2*a(n-3) + a(n-4), with a(0) = 0 = a(1), a(2) = 2, and a(3) = 1.

Table of values

List of values

A353581 a(n) = 2a(n-1) + 2a(n-3) + a(n-4), with a(0) = 0 = a(1), a(2) = 2, and a(3) = 1.