A081068 - cp's OEIS frontend

A081068 a(n) = (Lucas(4n+2) + 2)/5, or Fibonacci(2n+1)^2, or A081067(n)/5.

n	a(n)
0	1
1	4
2	25
3	169
4	1156
5	7921
6	54289
7	372100
8	2550409
9	17480761
10	119814916
11	821223649
12	5628750625
13	38580030724
14	264431464441
15	1812440220361
16	12422650078084
17	85146110326225
18	583600122205489
19	4000054745112196
20	27416783093579881

[1, 4, 25, 169, 1156, 7921, 54289, 372100, 2550409, 17480761, 119814916, 821223649, 5628750625, 38580030724, 264431464441, 1812440220361, 12422650078084, 85146110326225, 583600122205489, 4000054745112196, 27416783093579881]

cp's OEIS Frontend

A081068 a(n) = (Lucas(4n+2) + 2)/5, or Fibonacci(2n+1)^2, or A081067(n)/5.

Table of values

List of values

cp's OEIS Frontend

A081068 a(n) = (Lucas(4*n+2) + 2)/5, or Fibonacci(2*n+1)^2, or A081067(n)/5.

Table of values

List of values

A081068 a(n) = (Lucas(4n+2) + 2)/5, or Fibonacci(2n+1)^2, or A081067(n)/5.