A094025 - cp's OEIS frontend

A094025 Expansion of (1+3x)/((1-x^2)(1-3x^2)).

n	a(n)
0	1
1	3
2	4
3	12
4	13
5	39
6	40
7	120
8	121
9	363
10	364
11	1092
12	1093
13	3279
14	3280
15	9840
16	9841
17	29523
18	29524
19	88572
20	88573
21	265719
22	265720
23	797160
24	797161
25	2391483
26	2391484
27	7174452
28	7174453
29	21523359
30	21523360
31	64570080
32	64570081
33	193710243
34	193710244

[1, 3, 4, 12, 13, 39, 40, 120, 121, 363, 364, 1092, 1093, 3279, 3280, 9840, 9841, 29523, 29524, 88572, 88573, 265719, 265720, 797160, 797161, 2391483, 2391484, 7174452, 7174453, 21523359, 21523360, 64570080, 64570081, 193710243, 193710244]

cp's OEIS Frontend

A094025 Expansion of (1+3x)/((1-x^2)(1-3x^2)).

Table of values

List of values