A092491 - cp's OEIS frontend

A092491 a(n) = 2A058094(n-2) - 5A058094(n-3) + A058094(n-4) + a(n-1) for n >=4.

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	6
7	25
8	93
9	333
10	1172
11	4083
12	14137
13	48778
14	167981
15	577874
16	1986747
17	6828120
18	23462470
19	80611581
20	276944893
21	951422603
22	3268470411
23	11228209786
24	38572124196
25	132505812826
26	455192771711
27	1563706508759
28	5371738013650

[0, 0, 0, 0, 1, 6, 25, 93, 333, 1172, 4083, 14137, 48778, 167981, 577874, 1986747, 6828120, 23462470, 80611581, 276944893, 951422603, 3268470411, 11228209786, 38572124196, 132505812826, 455192771711, 1563706508759, 5371738013650]

cp's OEIS Frontend

A092491 a(n) = 2A058094(n-2) - 5A058094(n-3) + A058094(n-4) + a(n-1) for n >=4.

Table of values

List of values

cp's OEIS Frontend

A092491 a(n) = 2*A058094(n-2) - 5*A058094(n-3) + A058094(n-4) + a(n-1) for n >=4.

Table of values

List of values

A092491 a(n) = 2A058094(n-2) - 5A058094(n-3) + A058094(n-4) + a(n-1) for n >=4.