A095121 - cp's OEIS frontend

A095121 Expansion of (1-x+2x^2)/((1-x)*(1-2x)).

n	a(n)
0	1
1	2
2	6
3	14
4	30
5	62
6	126
7	254
8	510
9	1022
10	2046
11	4094
12	8190
13	16382
14	32766
15	65534
16	131070
17	262142
18	524286
19	1048574
20	2097150
21	4194302
22	8388606
23	16777214
24	33554430
25	67108862
26	134217726
27	268435454
28	536870910
29	1073741822
30	2147483646
31	4294967294
32	8589934590

[1, 2, 6, 14, 30, 62, 126, 254, 510, 1022, 2046, 4094, 8190, 16382, 32766, 65534, 131070, 262142, 524286, 1048574, 2097150, 4194302, 8388606, 16777214, 33554430, 67108862, 134217726, 268435454, 536870910, 1073741822, 2147483646, 4294967294, 8589934590]

cp's OEIS Frontend

A095121 Expansion of (1-x+2x^2)/((1-x)*(1-2x)).

Table of values

List of values