A098183 - cp's OEIS frontend

A098183 a(n) = 3*a(n-1) + a(n-3), a(0) = 1, a(1) = 1, a(2) = 4.

n	a(n)
0	1
1	1
2	4
3	13
4	40
5	124
6	385
7	1195
8	3709
9	11512
10	35731
11	110902
12	344218
13	1068385
14	3316057
15	10292389
16	31945552
17	99152713
18	307750528
19	955197136
20	2964744121
21	9201982891
22	28561145809
23	88648181548
24	275146527535
25	854000728414
26	2650650366790
27	8227097627905
28	25535293612129

[1, 1, 4, 13, 40, 124, 385, 1195, 3709, 11512, 35731, 110902, 344218, 1068385, 3316057, 10292389, 31945552, 99152713, 307750528, 955197136, 2964744121, 9201982891, 28561145809, 88648181548, 275146527535, 854000728414, 2650650366790, 8227097627905, 25535293612129]

cp's OEIS Frontend

A098183 a(n) = 3*a(n-1) + a(n-3), a(0) = 1, a(1) = 1, a(2) = 4.

Table of values

List of values