A291383 - cp's OEIS frontend

A291383 p-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - 2 S - 2 S^2.

n	a(n)
0	2
1	8
2	28
3	98
4	344
5	1208
6	4240
7	14884
8	52248
9	183408
10	643824
11	2260040
12	7933504
13	27849280
14	97760384
15	343171984
16	1204649632
17	4228727296
18	14844261824
19	52108375328
20	182918006400
21	642104016000
22	2254002082560
23	7912309005376
24	27774878417792
25	97499209219328

[2, 8, 28, 98, 344, 1208, 4240, 14884, 52248, 183408, 643824, 2260040, 7933504, 27849280, 97760384, 343171984, 1204649632, 4228727296, 14844261824, 52108375328, 182918006400, 642104016000, 2254002082560, 7912309005376, 27774878417792, 97499209219328]

cp's OEIS Frontend

A291383 p-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - 2 S - 2 S^2.

Table of values

List of values