A164605 - cp's OEIS frontend

A164605 a(n) = ((1+4sqrt(2))(4+2sqrt(2))^n + (1-4sqrt(2))(4-2sqrt(2))^n)/2.

n	a(n)
0	1
1	20
2	152
3	1056
4	7232
5	49408
6	337408
7	2304000
8	15732736
9	107429888
10	733577216
11	5009178624
12	34204811264
13	233565061120
14	1594881998848
15	10890535501824
16	74365228023808
17	507797540175872
18	3467458497216512
19	23677287656325120

[1, 20, 152, 1056, 7232, 49408, 337408, 2304000, 15732736, 107429888, 733577216, 5009178624, 34204811264, 233565061120, 1594881998848, 10890535501824, 74365228023808, 507797540175872, 3467458497216512, 23677287656325120]

cp's OEIS Frontend

A164605 a(n) = ((1+4sqrt(2))(4+2sqrt(2))^n + (1-4sqrt(2))(4-2sqrt(2))^n)/2.

Table of values

List of values

cp's OEIS Frontend

A164605 a(n) = ((1+4*sqrt(2))*(4+2*sqrt(2))^n + (1-4*sqrt(2))*(4-2*sqrt(2))^n)/2.

Table of values

List of values

A164605 a(n) = ((1+4sqrt(2))(4+2sqrt(2))^n + (1-4sqrt(2))(4-2sqrt(2))^n)/2.