A048876 - cp's OEIS frontend

A048876 a(n) = 4*a(n-1) + a(n-2); a(0)=1, a(1)=7.

n	a(n)
0	1
1	7
2	29
3	123
4	521
5	2207
6	9349
7	39603
8	167761
9	710647
10	3010349
11	12752043
12	54018521
13	228826127
14	969323029
15	4106118243
16	17393796001
17	73681302247
18	312119004989
19	1322157322203
20	5600748293801
21	23725150497407
22	100501350283429
23	425730551631123
24	1803423556807921

[1, 7, 29, 123, 521, 2207, 9349, 39603, 167761, 710647, 3010349, 12752043, 54018521, 228826127, 969323029, 4106118243, 17393796001, 73681302247, 312119004989, 1322157322203, 5600748293801, 23725150497407, 100501350283429, 425730551631123, 1803423556807921]

cp's OEIS Frontend

A048876 a(n) = 4*a(n-1) + a(n-2); a(0)=1, a(1)=7.

Table of values

List of values