A099942 - cp's OEIS frontend

A099942 Start with 1, then alternately double or add 2.

n	a(n)
0	1
1	2
2	4
3	8
4	10
5	20
6	22
7	44
8	46
9	92
10	94
11	188
12	190
13	380
14	382
15	764
16	766
17	1532
18	1534
19	3068
20	3070
21	6140
22	6142
23	12284
24	12286
25	24572
26	24574
27	49148
28	49150
29	98300
30	98302
31	196604
32	196606
33	393212
34	393214
35	786428
36	786430
37	1572860
38	1572862
39	3145724
40	3145726

[1, 2, 4, 8, 10, 20, 22, 44, 46, 92, 94, 188, 190, 380, 382, 764, 766, 1532, 1534, 3068, 3070, 6140, 6142, 12284, 12286, 24572, 24574, 49148, 49150, 98300, 98302, 196604, 196606, 393212, 393214, 786428, 786430, 1572860, 1572862, 3145724, 3145726]

cp's OEIS Frontend

A099942 Start with 1, then alternately double or add 2.

Table of values

List of values