A276284 - cp's OEIS frontend

A276284 a(0) = a(1) = a(2) = a(3) = a(4) = 1; for n > 4, a(n) = ( a(n-1)+a(n-3)+1 )*( a(n-2)+a(n-4)+1 ) / a(n-5).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	9
6	33
7	385
8	13825
9	5474305
10	8430415841
11	1398605982547209
12	30625582893143965429313
13	3098236789946633955987434183345281
14	17332850039068891068793031113694107707268123637761

[1, 1, 1, 1, 1, 9, 33, 385, 13825, 5474305, 8430415841, 1398605982547209, 30625582893143965429313, 3098236789946633955987434183345281, 17332850039068891068793031113694107707268123637761]

cp's OEIS Frontend

A276284 a(0) = a(1) = a(2) = a(3) = a(4) = 1; for n > 4, a(n) = ( a(n-1)+a(n-3)+1 )*( a(n-2)+a(n-4)+1 ) / a(n-5).

Table of values

List of values