A105073 - cp's OEIS frontend

A105073 Define a(1)=0, a(2)=2 then a(n) = 3a(n-1) - a(n-2), a(n+1) = 3a(n)-a(n-1) and a(n+2) = 3*a(n+1) - a(n) + 2.

n	a(n)
1	0
2	2
3	6
4	16
5	44
6	116
7	304
8	798
9	2090
10	5472
11	14328
12	37512
13	98208
14	257114
15	673134
16	1762288
17	4613732
18	12078908
19	31622992
20	82790070
21	216747218
22	567451584
23	1485607536
24	3889371024
25	10182505536
26	26658145586
27	69791931222
28	182717648080
29	478361013020
30	1252365390980

[0, 2, 6, 16, 44, 116, 304, 798, 2090, 5472, 14328, 37512, 98208, 257114, 673134, 1762288, 4613732, 12078908, 31622992, 82790070, 216747218, 567451584, 1485607536, 3889371024, 10182505536, 26658145586, 69791931222, 182717648080, 478361013020, 1252365390980]

cp's OEIS Frontend

A105073 Define a(1)=0, a(2)=2 then a(n) = 3a(n-1) - a(n-2), a(n+1) = 3a(n)-a(n-1) and a(n+2) = 3*a(n+1) - a(n) + 2.

Table of values

List of values

cp's OEIS Frontend

A105073 Define a(1)=0, a(2)=2 then a(n) = 3*a(n-1) - a(n-2), a(n+1) = 3*a(n)-a(n-1) and a(n+2) = 3*a(n+1) - a(n) + 2.

Table of values

List of values

A105073 Define a(1)=0, a(2)=2 then a(n) = 3a(n-1) - a(n-2), a(n+1) = 3a(n)-a(n-1) and a(n+2) = 3*a(n+1) - a(n) + 2.