A159036 - cp's OEIS frontend

A159036 a(0)=0, a(1)=1, a(2)=4, a(3)=13; thereafter a(n+3)=4a(n+2)-4a(n+1)+2*a(n) for n>=1.

n	a(n)
0	0
1	1
2	4
3	13
4	38
5	108
6	306
7	868
8	2464
9	6996
10	19864
11	56400
12	160136
13	454672
14	1290944
15	3665360
16	10407008
17	29548480
18	83896608
19	238206528
20	676336640
21	1920313664
22	5452321152
23	15480703232
24	43954155648
25	124798451968
26	354338591744
27	1006068870400

[0, 1, 4, 13, 38, 108, 306, 868, 2464, 6996, 19864, 56400, 160136, 454672, 1290944, 3665360, 10407008, 29548480, 83896608, 238206528, 676336640, 1920313664, 5452321152, 15480703232, 43954155648, 124798451968, 354338591744, 1006068870400]

cp's OEIS Frontend

A159036 a(0)=0, a(1)=1, a(2)=4, a(3)=13; thereafter a(n+3)=4a(n+2)-4a(n+1)+2*a(n) for n>=1.

Table of values

List of values

cp's OEIS Frontend

A159036 a(0)=0, a(1)=1, a(2)=4, a(3)=13; thereafter a(n+3)=4*a(n+2)-4*a(n+1)+2*a(n) for n>=1.

Table of values

List of values

A159036 a(0)=0, a(1)=1, a(2)=4, a(3)=13; thereafter a(n+3)=4a(n+2)-4a(n+1)+2*a(n) for n>=1.