A080144 - cp's OEIS frontend

A080144 a(n) = F(4)F(n)F(n+1) + F(5)F(n+1)^2 if n odd, a(n) = F(4)F(n)F(n+1) + F(5)F(n+1)^2 - F(5) if n even, where F(n) is the n-th Fibonacci number (A000045).

n	a(n)
0	0
1	8
2	21
3	63
4	165
5	440
6	1152
7	3024
8	7917
9	20735
10	54285
11	142128
12	372096
13	974168
14	2550405
15	6677055
16	17480757
17	45765224
18	119814912
19	313679520
20	821223645
21	2149991423
22	5628750621
23	14736260448
24	38580030720
25	101003831720

[0, 8, 21, 63, 165, 440, 1152, 3024, 7917, 20735, 54285, 142128, 372096, 974168, 2550405, 6677055, 17480757, 45765224, 119814912, 313679520, 821223645, 2149991423, 5628750621, 14736260448, 38580030720, 101003831720]

cp's OEIS Frontend

A080144 a(n) = F(4)F(n)F(n+1) + F(5)F(n+1)^2 if n odd, a(n) = F(4)F(n)F(n+1) + F(5)F(n+1)^2 - F(5) if n even, where F(n) is the n-th Fibonacci number (A000045).

Table of values

List of values

cp's OEIS Frontend

A080144 a(n) = F(4)*F(n)*F(n+1) + F(5)*F(n+1)^2 if n odd, a(n) = F(4)*F(n)*F(n+1) + F(5)*F(n+1)^2 - F(5) if n even, where F(n) is the n-th Fibonacci number (A000045).

Table of values

List of values

A080144 a(n) = F(4)F(n)F(n+1) + F(5)F(n+1)^2 if n odd, a(n) = F(4)F(n)F(n+1) + F(5)F(n+1)^2 - F(5) if n even, where F(n) is the n-th Fibonacci number (A000045).