A070993 - cp's OEIS frontend

A070993 Numbers n such that the trajectory of n under the "3x+1" map reaches n+1.

n	a(n)
1	3
2	7
3	9
4	15
5	19
6	25
7	33
8	39
9	51
10	91
11	121
12	159
13	166
14	183
15	243
16	250
17	333
18	376
19	411
20	432
21	487
22	501
23	649
24	667
25	865
26	889
27	975
28	1153
29	1185
30	1299
31	1335
32	1731
33	1779
34	2307
35	3643
36	4857
37	7287

[3, 7, 9, 15, 19, 25, 33, 39, 51, 91, 121, 159, 166, 183, 243, 250, 333, 376, 411, 432, 487, 501, 649, 667, 865, 889, 975, 1153, 1185, 1299, 1335, 1731, 1779, 2307, 3643, 4857, 7287]

cp's OEIS Frontend

A070993 Numbers n such that the trajectory of n under the "3x+1" map reaches n+1.

Table of values

List of values