A135343 - cp's OEIS frontend

A135343 a(n) = 3a(n-1) + 4a(n-2) - a(n-3) + 3a(n-4) + 4a(n-5).

n	a(n)
0	1
1	3
2	12
3	51
4	205
5	820
6	3277
7	13107
8	52428
9	209715
10	838861
11	3355444
12	13421773
13	53687091
14	214748364
15	858993459
16	3435973837
17	13743895348
18	54975581389
19	219902325555
20	879609302220
21	3518437208883
22	14073748835533
23	56294995342132
24	225179981368525
25	900719925474099

[1, 3, 12, 51, 205, 820, 3277, 13107, 52428, 209715, 838861, 3355444, 13421773, 53687091, 214748364, 858993459, 3435973837, 13743895348, 54975581389, 219902325555, 879609302220, 3518437208883, 14073748835533, 56294995342132, 225179981368525, 900719925474099]

cp's OEIS Frontend

A135343 a(n) = 3a(n-1) + 4a(n-2) - a(n-3) + 3a(n-4) + 4a(n-5).

Table of values

List of values

cp's OEIS Frontend

A135343 a(n) = 3*a(n-1) + 4*a(n-2) - a(n-3) + 3*a(n-4) + 4*a(n-5).

Table of values

List of values

A135343 a(n) = 3a(n-1) + 4a(n-2) - a(n-3) + 3a(n-4) + 4a(n-5).