A241271 - cp's OEIS frontend

A241271 a(n) = 6a(n-1) + 3(2^(n-2)-1) for n > 2, a(0)=a(1)=a(2)=0.

n	a(n)
0	0
1	0
2	0
3	3
4	27
5	183
6	1143
7	6951
8	41895
9	251751
10	1511271
11	9069159
12	54418023
13	326514279
14	1959097959
15	11754612327
16	70527723111
17	423166436967
18	2538998818407
19	15233993303655
20	91403960608359
21	548423765223015
22	3290542594483815
23	19743255573194343
24	118459533451748967

[0, 0, 0, 3, 27, 183, 1143, 6951, 41895, 251751, 1511271, 9069159, 54418023, 326514279, 1959097959, 11754612327, 70527723111, 423166436967, 2538998818407, 15233993303655, 91403960608359, 548423765223015, 3290542594483815, 19743255573194343, 118459533451748967]

cp's OEIS Frontend

A241271 a(n) = 6a(n-1) + 3(2^(n-2)-1) for n > 2, a(0)=a(1)=a(2)=0.

Table of values

List of values

cp's OEIS Frontend

A241271 a(n) = 6*a(n-1) + 3*(2^(n-2)-1) for n > 2, a(0)=a(1)=a(2)=0.

Table of values

List of values

A241271 a(n) = 6a(n-1) + 3(2^(n-2)-1) for n > 2, a(0)=a(1)=a(2)=0.