A376801 - cp's OEIS frontend

A376801 a(0) = 397; a(n+1) = a(n)^2 if a(n) is prime, floor(a(n)/2) otherwise.

n	a(n)
0	397
1	157609
2	78804
3	39402
4	19701
5	9850
6	4925
7	2462
8	1231
9	1515361
10	757680
11	378840
12	189420
13	94710
14	47355
15	23677
16	560600329
17	280300164
18	140150082
19	70075041
20	35037520
21	17518760
22	8759380
23	4379690
24	2189845
25	1094922
26	547461
27	273730
28	136865
29	68432
30	34216
31	17108
32	8554

[397, 157609, 78804, 39402, 19701, 9850, 4925, 2462, 1231, 1515361, 757680, 378840, 189420, 94710, 47355, 23677, 560600329, 280300164, 140150082, 70075041, 35037520, 17518760, 8759380, 4379690, 2189845, 1094922, 547461, 273730, 136865, 68432, 34216, 17108, 8554]

cp's OEIS Frontend

A376801 a(0) = 397; a(n+1) = a(n)^2 if a(n) is prime, floor(a(n)/2) otherwise.

Table of values

List of values