A215493 - cp's OEIS frontend

A215493 a(n) = 7a(n-1) - 14a(n-2) + 7*a(n-3) with a(0)=0, a(1)=1, a(2)=4.

n	a(n)
0	0
1	1
2	4
3	14
4	49
5	175
6	637
7	2352
8	8771
9	32928
10	124166
11	469567
12	1779141
13	6749211
14	25623472
15	97329337
16	369821228
17	1405502182
18	5342323441
19	20307982135
20	77201862045
21	293497548512
22	1115812645899
23	4242135876440
24	16128056932078
25	61317184775679
26	233122447515741

[0, 1, 4, 14, 49, 175, 637, 2352, 8771, 32928, 124166, 469567, 1779141, 6749211, 25623472, 97329337, 369821228, 1405502182, 5342323441, 20307982135, 77201862045, 293497548512, 1115812645899, 4242135876440, 16128056932078, 61317184775679, 233122447515741]

cp's OEIS Frontend

A215493 a(n) = 7a(n-1) - 14a(n-2) + 7*a(n-3) with a(0)=0, a(1)=1, a(2)=4.

Table of values

List of values

cp's OEIS Frontend

A215493 a(n) = 7*a(n-1) - 14*a(n-2) + 7*a(n-3) with a(0)=0, a(1)=1, a(2)=4.

Table of values

List of values

A215493 a(n) = 7a(n-1) - 14a(n-2) + 7*a(n-3) with a(0)=0, a(1)=1, a(2)=4.