A054894 - cp's OEIS frontend

A054894 a(n+1) = 4a(n) + 4a(n-1) - 4*a(n-2) - a(n-3) with a(1)=1, a(2)=2, a(3)=11, a(4)=48.

n	a(n)
1	1
2	2
3	11
4	48
5	227
6	1054
7	4921
8	22944
9	107017
10	499106
11	2327795
12	10856592
13	50634107
14	236152510
15	1101392305
16	5136786240
17	23957470033
18	111735303362
19	521122556315
20	2430464772336
21	11335450631123
22	52867436085214
23	246568565219689
24	1149971737922784
25	5363356017597913
26	25014169325118818

[1, 2, 11, 48, 227, 1054, 4921, 22944, 107017, 499106, 2327795, 10856592, 50634107, 236152510, 1101392305, 5136786240, 23957470033, 111735303362, 521122556315, 2430464772336, 11335450631123, 52867436085214, 246568565219689, 1149971737922784, 5363356017597913, 25014169325118818]

cp's OEIS Frontend

A054894 a(n+1) = 4a(n) + 4a(n-1) - 4*a(n-2) - a(n-3) with a(1)=1, a(2)=2, a(3)=11, a(4)=48.

Table of values

List of values

cp's OEIS Frontend

A054894 a(n+1) = 4*a(n) + 4*a(n-1) - 4*a(n-2) - a(n-3) with a(1)=1, a(2)=2, a(3)=11, a(4)=48.

Table of values

List of values

A054894 a(n+1) = 4a(n) + 4a(n-1) - 4*a(n-2) - a(n-3) with a(1)=1, a(2)=2, a(3)=11, a(4)=48.