A198590 - cp's OEIS frontend

A198590 Odd numbers producing 7 odd numbers in the Collatz iteration.

n	a(n)
1	9
2	19
3	37
4	77
5	81
6	149
7	163
8	309
9	321
10	325
11	331
12	597
13	625
14	643
15	653
16	663
17	713
18	715
19	1237
20	1251
21	1285
22	1301
23	1313
24	1325
25	1339
26	1425
27	1427
28	1431
29	1433
30	2389
31	2501
32	2573
33	2577
34	2613
35	2625
36	2627
37	2653
38	2679
39	2695
40	2851
41	2853
42	2861
43	2865
44	2867
45	4949
46	5005
47	5141

[9, 19, 37, 77, 81, 149, 163, 309, 321, 325, 331, 597, 625, 643, 653, 663, 713, 715, 1237, 1251, 1285, 1301, 1313, 1325, 1339, 1425, 1427, 1431, 1433, 2389, 2501, 2573, 2577, 2613, 2625, 2627, 2653, 2679, 2695, 2851, 2853, 2861, 2865, 2867, 4949, 5005, 5141]

cp's OEIS Frontend

A198590 Odd numbers producing 7 odd numbers in the Collatz iteration.

Table of values

List of values