A134271 - cp's OEIS frontend

A134271 a(n) = a(n-2) + 2*a(n-3), n > 3; with a(0)=0, a(1)=1, a(2)=2, a(3)=0.

n	a(n)
0	0
1	1
2	2
3	0
4	4
5	4
6	4
7	12
8	12
9	20
10	36
11	44
12	76
13	116
14	164
15	268
16	396
17	596
18	932
19	1388
20	2124
21	3252
22	4900
23	7500
24	11404
25	17300
26	26404
27	40108
28	61004
29	92916
30	141220
31	214924
32	327052
33	497364
34	756900
35	1151468
36	1751628
37	2665268
38	4054564
39	6168524
40	9385100

[0, 1, 2, 0, 4, 4, 4, 12, 12, 20, 36, 44, 76, 116, 164, 268, 396, 596, 932, 1388, 2124, 3252, 4900, 7500, 11404, 17300, 26404, 40108, 61004, 92916, 141220, 214924, 327052, 497364, 756900, 1151468, 1751628, 2665268, 4054564, 6168524, 9385100]

cp's OEIS Frontend

A134271 a(n) = a(n-2) + 2*a(n-3), n > 3; with a(0)=0, a(1)=1, a(2)=2, a(3)=0.

Table of values

List of values