A133453 - cp's OEIS frontend

A133453 a(n) = 3a(n-1) - a(n-3) + 3a(n-4), with initial values 2,4,13,40.

n	a(n)
0	2
1	4
2	13
3	40
4	122
5	365
6	1094
7	3280
8	9841
9	29524
10	88574
11	265721
12	797162
13	2391484
14	7174453
15	21523360
16	64570082
17	193710245
18	581130734
19	1743392200
20	5230176601
21	15690529804
22	47071589414
23	141214768241
24	423644304722
25	1270932914164

[2, 4, 13, 40, 122, 365, 1094, 3280, 9841, 29524, 88574, 265721, 797162, 2391484, 7174453, 21523360, 64570082, 193710245, 581130734, 1743392200, 5230176601, 15690529804, 47071589414, 141214768241, 423644304722, 1270932914164]

cp's OEIS Frontend

A133453 a(n) = 3a(n-1) - a(n-3) + 3a(n-4), with initial values 2,4,13,40.

Table of values

List of values

cp's OEIS Frontend

A133453 a(n) = 3*a(n-1) - a(n-3) + 3*a(n-4), with initial values 2,4,13,40.

Table of values

List of values

A133453 a(n) = 3a(n-1) - a(n-3) + 3a(n-4), with initial values 2,4,13,40.