A154117 - cp's OEIS frontend

A154117 Expansion of (1 - x + 3x^2)/((1-x)(1-2*x)).

n	a(n)
0	1
1	2
2	7
3	17
4	37
5	77
6	157
7	317
8	637
9	1277
10	2557
11	5117
12	10237
13	20477
14	40957
15	81917
16	163837
17	327677
18	655357
19	1310717
20	2621437
21	5242877
22	10485757
23	20971517
24	41943037
25	83886077
26	167772157
27	335544317
28	671088637
29	1342177277
30	2684354557

[1, 2, 7, 17, 37, 77, 157, 317, 637, 1277, 2557, 5117, 10237, 20477, 40957, 81917, 163837, 327677, 655357, 1310717, 2621437, 5242877, 10485757, 20971517, 41943037, 83886077, 167772157, 335544317, 671088637, 1342177277, 2684354557]

cp's OEIS Frontend

A154117 Expansion of (1 - x + 3x^2)/((1-x)(1-2*x)).

Table of values

List of values

cp's OEIS Frontend

A154117 Expansion of (1 - x + 3*x^2)/((1-x)*(1-2*x)).

Table of values

List of values

A154117 Expansion of (1 - x + 3x^2)/((1-x)(1-2*x)).