A295148 - cp's OEIS frontend

A295148 Solution of the complementary equation a(n) = a(n-1) + 2*a(n-2) + b(n-1), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences.

n	a(n)
0	1
1	3
2	9
3	20
4	44
5	91
6	187
7	379
8	764
9	1534
10	3075
11	6157
12	12322
13	24652
14	49313
15	98635
16	197280
17	394571
18	789153
19	1578318
20	3156648
21	6313309
22	12626631
23	25253276
24	50506566
25	101013147
26	202026309

[1, 3, 9, 20, 44, 91, 187, 379, 764, 1534, 3075, 6157, 12322, 24652, 49313, 98635, 197280, 394571, 789153, 1578318, 3156648, 6313309, 12626631, 25253276, 50506566, 101013147, 202026309]

cp's OEIS Frontend

A295148 Solution of the complementary equation a(n) = a(n-1) + 2*a(n-2) + b(n-1), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences.

Table of values

List of values