A233828 - cp's OEIS frontend

A233828 a(n) = 2a(n-1) + 2a(n-2) + a(n-3). a(0) = -1, a(1) = 1, a(2) = 1.

n	a(n)
0	-1
1	1
2	1
3	3
4	9
5	25
6	71
7	201
8	569
9	1611
10	4561
11	12913
12	36559
13	103505
14	293041
15	829651
16	2348889
17	6650121
18	18827671
19	53304473
20	150914409
21	427265435
22	1209664161
23	3424773601
24	9696140959
25	27451493281
26	77720042081
27	220039211683
28	622970000809
29	1763738467065

[-1, 1, 1, 3, 9, 25, 71, 201, 569, 1611, 4561, 12913, 36559, 103505, 293041, 829651, 2348889, 6650121, 18827671, 53304473, 150914409, 427265435, 1209664161, 3424773601, 9696140959, 27451493281, 77720042081, 220039211683, 622970000809, 1763738467065]

cp's OEIS Frontend

A233828 a(n) = 2a(n-1) + 2a(n-2) + a(n-3). a(0) = -1, a(1) = 1, a(2) = 1.

Table of values

List of values

cp's OEIS Frontend

A233828 a(n) = 2*a(n-1) + 2*a(n-2) + a(n-3). a(0) = -1, a(1) = 1, a(2) = 1.

Table of values

List of values

A233828 a(n) = 2a(n-1) + 2a(n-2) + a(n-3). a(0) = -1, a(1) = 1, a(2) = 1.