A161728 - cp's OEIS frontend

A161728 a(n) = ((3+sqrt(3))(4+sqrt(3))^n-(3-sqrt(3))(4-sqrt(3))^n)/sqrt(12).

n	a(n)
0	1
1	7
2	43
3	253
4	1465
5	8431
6	48403
7	277621
8	1591729
9	9124759
10	52305595
11	299822893
12	1718610409
13	9851185663
14	56467549987
15	323674986277
16	1855321740385
17	10634799101479
18	60959210186827
19	349421293175389
20	2002900612974361
21	11480728092514831
22	65808116771451955
23	377215468968922837

[1, 7, 43, 253, 1465, 8431, 48403, 277621, 1591729, 9124759, 52305595, 299822893, 1718610409, 9851185663, 56467549987, 323674986277, 1855321740385, 10634799101479, 60959210186827, 349421293175389, 2002900612974361, 11480728092514831, 65808116771451955, 377215468968922837]

cp's OEIS Frontend

A161728 a(n) = ((3+sqrt(3))(4+sqrt(3))^n-(3-sqrt(3))(4-sqrt(3))^n)/sqrt(12).

Table of values

List of values

cp's OEIS Frontend

A161728 a(n) = ((3+sqrt(3))*(4+sqrt(3))^n-(3-sqrt(3))*(4-sqrt(3))^n)/sqrt(12).

Table of values

List of values

A161728 a(n) = ((3+sqrt(3))(4+sqrt(3))^n-(3-sqrt(3))(4-sqrt(3))^n)/sqrt(12).