A164588 - cp's OEIS frontend

A164588 a(n) = ((3 + sqrt(18))(5 + sqrt(8))^n + (3 - sqrt(18))(5 - sqrt(8))^n)/6.

n	a(n)
0	1
1	9
2	73
3	577
4	4529
5	35481
6	277817
7	2174993
8	17027041
9	133295529
10	1043495593
11	8168931937
12	63949894289
13	500627099961
14	3919122796697
15	30680567267633
16	240180585132481
17	1880236207775049
18	14719292130498313
19	115228905772807297
20	902061091509601649

[1, 9, 73, 577, 4529, 35481, 277817, 2174993, 17027041, 133295529, 1043495593, 8168931937, 63949894289, 500627099961, 3919122796697, 30680567267633, 240180585132481, 1880236207775049, 14719292130498313, 115228905772807297, 902061091509601649]

cp's OEIS Frontend

A164588 a(n) = ((3 + sqrt(18))(5 + sqrt(8))^n + (3 - sqrt(18))(5 - sqrt(8))^n)/6.

Table of values

List of values

cp's OEIS Frontend

A164588 a(n) = ((3 + sqrt(18))*(5 + sqrt(8))^n + (3 - sqrt(18))*(5 - sqrt(8))^n)/6.

Table of values

List of values

A164588 a(n) = ((3 + sqrt(18))(5 + sqrt(8))^n + (3 - sqrt(18))(5 - sqrt(8))^n)/6.