A000904 - cp's OEIS frontend

A000904 a(n) = (n+1)a(n-1) + (n+2)a(n-2) + a(n-3); a(1)=0, a(2)=3, a(3)=13.

n	a(n)
1	0
2	3
3	13
4	83
5	592
6	4821
7	43979
8	444613
9	4934720
10	59661255
11	780531033
12	10987095719
13	165586966816
14	2660378564777
15	45392022568023
16	819716784789193
17	15620010933562688
18	313219935456042955
19	6593238655510464741
20	145364470356686267259
21	3349976056859294611696

[0, 3, 13, 83, 592, 4821, 43979, 444613, 4934720, 59661255, 780531033, 10987095719, 165586966816, 2660378564777, 45392022568023, 819716784789193, 15620010933562688, 313219935456042955, 6593238655510464741, 145364470356686267259, 3349976056859294611696]

cp's OEIS Frontend

A000904 a(n) = (n+1)a(n-1) + (n+2)a(n-2) + a(n-3); a(1)=0, a(2)=3, a(3)=13.

Table of values

List of values

cp's OEIS Frontend

A000904 a(n) = (n+1)*a(n-1) + (n+2)*a(n-2) + a(n-3); a(1)=0, a(2)=3, a(3)=13.

Table of values

List of values

A000904 a(n) = (n+1)a(n-1) + (n+2)a(n-2) + a(n-3); a(1)=0, a(2)=3, a(3)=13.