A232015 - cp's OEIS frontend

A232015 Expansion of (1-2x)/((1+2x)(1-3x)).

n	a(n)
0	1
1	-1
2	5
3	-1
4	29
5	23
6	197
7	335
8	1517
9	3527
10	12629
11	33791
12	109565
13	312311
14	969701
15	2843567
16	8661773
17	25723175
18	77693813
19	232032863
20	698195741
21	2090392919
22	6279567365
23	18821924879
24	56499329069
25	169430878343
26	508426852757
27	1525012122815
28	4575573239357

[1, -1, 5, -1, 29, 23, 197, 335, 1517, 3527, 12629, 33791, 109565, 312311, 969701, 2843567, 8661773, 25723175, 77693813, 232032863, 698195741, 2090392919, 6279567365, 18821924879, 56499329069, 169430878343, 508426852757, 1525012122815, 4575573239357]

cp's OEIS Frontend

A232015 Expansion of (1-2x)/((1+2x)(1-3x)).

Table of values

List of values

cp's OEIS Frontend

A232015 Expansion of (1-2*x)/((1+2*x)*(1-3*x)).

Table of values

List of values

A232015 Expansion of (1-2x)/((1+2x)(1-3x)).