A079935 - cp's OEIS frontend

A079935 a(n) = 4*a(n-1) - a(n-2) with a(1) = 1, a(2) = 3.

n	a(n)
1	1
2	3
3	11
4	41
5	153
6	571
7	2131
8	7953
9	29681
10	110771
11	413403
12	1542841
13	5757961
14	21489003
15	80198051
16	299303201
17	1117014753
18	4168755811
19	15558008491
20	58063278153
21	216695104121
22	808717138331
23	3018173449203
24	11263976658481
25	42037733184721
26	156886956080403

[1, 3, 11, 41, 153, 571, 2131, 7953, 29681, 110771, 413403, 1542841, 5757961, 21489003, 80198051, 299303201, 1117014753, 4168755811, 15558008491, 58063278153, 216695104121, 808717138331, 3018173449203, 11263976658481, 42037733184721, 156886956080403]

cp's OEIS Frontend

A079935 a(n) = 4*a(n-1) - a(n-2) with a(1) = 1, a(2) = 3.

Table of values

List of values