A248467 - cp's OEIS frontend

A248467 Number of length 6+2 0..n arrays with no three consecutive terms having the sum of any two elements equal to twice the third.

n	a(n)
1	68
2	576
3	14040
4	96736
5	520788
6	1952254
7	6493036
8	17917712
9	45541888
10	102869198
11	219106196
12	433633802
13	820820502
14	1471721904
15	2552955354
16	4256615846
17	6910769098
18	10880058248
19	16766422418
20	25217401274
21	37267800170
22	53987521754

[68, 576, 14040, 96736, 520788, 1952254, 6493036, 17917712, 45541888, 102869198, 219106196, 433633802, 820820502, 1471721904, 2552955354, 4256615846, 6910769098, 10880058248, 16766422418, 25217401274, 37267800170, 53987521754]

cp's OEIS Frontend

A248467 Number of length 6+2 0..n arrays with no three consecutive terms having the sum of any two elements equal to twice the third.

Table of values

List of values