A166249 - cp's OEIS frontend

A166249 a(n) = 2a(n-1) - a(n-3) + 2a(n-4) for n>3, a(0)=a(1)=1, a(2)=0, a(3)=2.

n	a(n)
0	1
1	1
2	0
3	2
4	5
5	12
6	22
7	43
8	84
9	170
10	341
11	684
12	1366
13	2731
14	5460
15	10922
16	21845
17	43692
18	87382
19	174763
20	349524
21	699050
22	1398101
23	2796204
24	5592406
25	11184811
26	22369620
27	44739242
28	89478485
29	178956972
30	357913942
31	715827883
32	1431655764
33	2863311530

[1, 1, 0, 2, 5, 12, 22, 43, 84, 170, 341, 684, 1366, 2731, 5460, 10922, 21845, 43692, 87382, 174763, 349524, 699050, 1398101, 2796204, 5592406, 11184811, 22369620, 44739242, 89478485, 178956972, 357913942, 715827883, 1431655764, 2863311530]

cp's OEIS Frontend

A166249 a(n) = 2a(n-1) - a(n-3) + 2a(n-4) for n>3, a(0)=a(1)=1, a(2)=0, a(3)=2.

Table of values

List of values

cp's OEIS Frontend

A166249 a(n) = 2*a(n-1) - a(n-3) + 2*a(n-4) for n>3, a(0)=a(1)=1, a(2)=0, a(3)=2.

Table of values

List of values

A166249 a(n) = 2a(n-1) - a(n-3) + 2a(n-4) for n>3, a(0)=a(1)=1, a(2)=0, a(3)=2.