A095384 - cp's OEIS frontend

A095384 Number of different initial values for 3x+1 trajectories started with initial values not exceeding 2^n and in which the peak values are also not larger than 2^n.

n	a(n)
0	1
1	2
2	3
3	4
4	10
5	13
6	33
7	55
8	112
9	181
10	352
11	580
12	1072
13	2127
14	6792
15	13067
16	25906
17	51447
18	104575
19	208149
20	415921
21	833109
22	1661341
23	3328124
24	6648354
25	13283680
26	26533708
27	53083687
28	106166631
29	212243709
30	424564626
31	848967377
32	1698139390
33	3396064464
34	6791623786

[1, 2, 3, 4, 10, 13, 33, 55, 112, 181, 352, 580, 1072, 2127, 6792, 13067, 25906, 51447, 104575, 208149, 415921, 833109, 1661341, 3328124, 6648354, 13283680, 26533708, 53083687, 106166631, 212243709, 424564626, 848967377, 1698139390, 3396064464, 6791623786]

cp's OEIS Frontend

A095384 Number of different initial values for 3x+1 trajectories started with initial values not exceeding 2^n and in which the peak values are also not larger than 2^n.

Table of values

List of values