A276130 - cp's OEIS frontend

A276130 a(0) = a(1) = a(2) = a(3) = a(4) = 1; for n>4, a(n) = ( a(n-1) +a(n-3) )*( a(n-2)+a(n-4) ) / a(n-5).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	4
6	10
7	55
8	649
9	38881
10	6414706
11	24978826228
12	2913605221297249
13	112139525368095766797655
14	8403341152380185679389503620974065
15	146904111947501701959735285821948223340424963459227

[1, 1, 1, 1, 1, 4, 10, 55, 649, 38881, 6414706, 24978826228, 2913605221297249, 112139525368095766797655, 8403341152380185679389503620974065, 146904111947501701959735285821948223340424963459227]

cp's OEIS Frontend

A276130 a(0) = a(1) = a(2) = a(3) = a(4) = 1; for n>4, a(n) = ( a(n-1) +a(n-3) )*( a(n-2)+a(n-4) ) / a(n-5).

Table of values

List of values