A080735 - cp's OEIS frontend

A080735 a(1)=1, then a(n)=2*a(n-1) if a(n-1) is prime, a(n)=a(n-1)+1 otherwise.

n	a(n)
1	1
2	2
3	4
4	5
5	10
6	11
7	22
8	23
9	46
10	47
11	94
12	95
13	96
14	97
15	194
16	195
17	196
18	197
19	394
20	395
21	396
22	397
23	794
24	795
25	796
26	797
27	1594
28	1595
29	1596
30	1597
31	3194
32	3195
33	3196
34	3197
35	3198
36	3199
37	3200
38	3201
39	3202
40	3203
41	6406
42	6407
43	6408
44	6409
45	6410
46	6411
47	6412
48	6413
49	6414
50	6415
51	6416

[1, 2, 4, 5, 10, 11, 22, 23, 46, 47, 94, 95, 96, 97, 194, 195, 196, 197, 394, 395, 396, 397, 794, 795, 796, 797, 1594, 1595, 1596, 1597, 3194, 3195, 3196, 3197, 3198, 3199, 3200, 3201, 3202, 3203, 6406, 6407, 6408, 6409, 6410, 6411, 6412, 6413, 6414, 6415, 6416]

cp's OEIS Frontend

A080735 a(1)=1, then a(n)=2*a(n-1) if a(n-1) is prime, a(n)=a(n-1)+1 otherwise.

Table of values

List of values