A080042 - cp's OEIS frontend

A080042 a(n) = 4a(n-1)+3a(n-2) for n>1, a(0)=2, a(1)=4.

n	a(n)
0	2
1	4
2	22
3	100
4	466
5	2164
6	10054
7	46708
8	216994
9	1008100
10	4683382
11	21757828
12	101081458
13	469599316
14	2181641638
15	10135364500
16	47086382914
17	218751625156
18	1016265649366
19	4721317472932
20	21934066839826
21	101900219778100

[2, 4, 22, 100, 466, 2164, 10054, 46708, 216994, 1008100, 4683382, 21757828, 101081458, 469599316, 2181641638, 10135364500, 47086382914, 218751625156, 1016265649366, 4721317472932, 21934066839826, 101900219778100]

cp's OEIS Frontend

A080042 a(n) = 4a(n-1)+3a(n-2) for n>1, a(0)=2, a(1)=4.

Table of values

List of values

cp's OEIS Frontend

A080042 a(n) = 4*a(n-1)+3*a(n-2) for n>1, a(0)=2, a(1)=4.

Table of values

List of values

A080042 a(n) = 4a(n-1)+3a(n-2) for n>1, a(0)=2, a(1)=4.