A173197 - cp's OEIS frontend

A173197 a(0)=1, a(n)= 2+2^n/6+4*(-1)^n/3, n>0.

n	a(n)
0	1
1	1
2	4
3	2
4	6
5	6
6	14
7	22
8	46
9	86
10	174
11	342
12	686
13	1366
14	2734
15	5462
16	10926
17	21846
18	43694
19	87382
20	174766
21	349526
22	699054
23	1398102
24	2796206
25	5592406
26	11184814
27	22369622
28	44739246
29	89478486
30	178956974
31	357913942
32	715827886
33	1431655766
34	2863311534
35	5726623062
36	11453246126
37	22906492246
38	45812984494
39	91625968982
40	183251937966
41	366503875926
42	733007751854

[1, 1, 4, 2, 6, 6, 14, 22, 46, 86, 174, 342, 686, 1366, 2734, 5462, 10926, 21846, 43694, 87382, 174766, 349526, 699054, 1398102, 2796206, 5592406, 11184814, 22369622, 44739246, 89478486, 178956974, 357913942, 715827886, 1431655766, 2863311534, 5726623062, 11453246126, 22906492246, 45812984494, 91625968982, 183251937966, 366503875926, 733007751854]

cp's OEIS Frontend

A173197 a(0)=1, a(n)= 2+2^n/6+4*(-1)^n/3, n>0.

Table of values

List of values