A097040 - cp's OEIS frontend

A097040 a(n) = 2sum(C(n,2k+1)F(2k), k=0..floor((n-1)/2)), where F(n) are Fibonacci numbers A000045.

n	a(n)
1	0
2	0
3	2
4	8
5	26
6	76
7	212
8	576
9	1542
10	4092
11	10802
12	28424
13	74648
14	195808
15	513242
16	1344672
17	3521994
18	9223284
19	24151052
20	63235040
21	165562430
22	433465780
23	1134856802
24	2971140048
25	7778620656
26	20364814656
27	53315973362
28	139583348216

[0, 0, 2, 8, 26, 76, 212, 576, 1542, 4092, 10802, 28424, 74648, 195808, 513242, 1344672, 3521994, 9223284, 24151052, 63235040, 165562430, 433465780, 1134856802, 2971140048, 7778620656, 20364814656, 53315973362, 139583348216]

cp's OEIS Frontend

A097040 a(n) = 2sum(C(n,2k+1)F(2k), k=0..floor((n-1)/2)), where F(n) are Fibonacci numbers A000045.

Table of values

List of values

cp's OEIS Frontend

A097040 a(n) = 2*sum(C(n,2k+1)*F(2k), k=0..floor((n-1)/2)), where F(n) are Fibonacci numbers A000045.

Table of values

List of values

A097040 a(n) = 2sum(C(n,2k+1)F(2k), k=0..floor((n-1)/2)), where F(n) are Fibonacci numbers A000045.