A098657 - cp's OEIS frontend

A098657 Expansion of (1-x-4x^2)/((1-2x)(1-8x^2)).

n	a(n)
0	1
1	1
2	6
3	4
4	40
5	16
6	288
7	64
8	2176
9	256
10	16896
11	1024
12	133120
13	4096
14	1056768
15	16384
16	8421376
17	65536
18	67239936
19	262144
20	537395200
21	1048576
22	4297064448
23	4194304
24	34368126976
25	16777216
26	274911461376
27	67108864
28	2199157473280
29	268435456
30	17592722915328
31	1073741824

[1, 1, 6, 4, 40, 16, 288, 64, 2176, 256, 16896, 1024, 133120, 4096, 1056768, 16384, 8421376, 65536, 67239936, 262144, 537395200, 1048576, 4297064448, 4194304, 34368126976, 16777216, 274911461376, 67108864, 2199157473280, 268435456, 17592722915328, 1073741824]

cp's OEIS Frontend

A098657 Expansion of (1-x-4x^2)/((1-2x)(1-8x^2)).

Table of values

List of values