A134927 - cp's OEIS frontend

A134927 a(0)=a(1)=1; a(n) = 3*(a(n-1) + a(n-2)).

n	a(n)
0	1
1	1
2	6
3	21
4	81
5	306
6	1161
7	4401
8	16686
9	63261
10	239841
11	909306
12	3447441
13	13070241
14	49553046
15	187869861
16	712268721
17	2700415746
18	10238053401
19	38815407441
20	147160382526
21	557927369901
22	2115263257281
23	8019571881546
24	30404505416481

[1, 1, 6, 21, 81, 306, 1161, 4401, 16686, 63261, 239841, 909306, 3447441, 13070241, 49553046, 187869861, 712268721, 2700415746, 10238053401, 38815407441, 147160382526, 557927369901, 2115263257281, 8019571881546, 30404505416481]

cp's OEIS Frontend

A134927 a(0)=a(1)=1; a(n) = 3*(a(n-1) + a(n-2)).

Table of values

List of values