A048634 - cp's OEIS frontend

A048634 a(n) = a(n-1)*a(n-3) + a(n-2), with a(0)=a(1)=0 and a(2)=1.

n	a(n)
0	0
1	0
2	1
3	0
4	1
5	1
6	1
7	2
8	3
9	5
10	13
11	44
12	233
13	3073
14	135445
15	31561758
16	96989417779
17	13136731722638413
18	414618347540933702027833
19	40213592128486236142855326045681320
20	528275171395527518169753769210241662354568290572993

[0, 0, 1, 0, 1, 1, 1, 2, 3, 5, 13, 44, 233, 3073, 135445, 31561758, 96989417779, 13136731722638413, 414618347540933702027833, 40213592128486236142855326045681320, 528275171395527518169753769210241662354568290572993]

cp's OEIS Frontend

A048634 a(n) = a(n-1)*a(n-3) + a(n-2), with a(0)=a(1)=0 and a(2)=1.

Table of values

List of values