A080821 - cp's OEIS frontend

A080821 Primes in the accumulated tally of steps in the x+1 problem: Repeat until 1 is reached: if x is even divide by 2, otherwise add 1.

n	a(n)
1	11
2	19
3	29
4	41
5	83
6	113
7	167
8	173
9	199
10	307
11	367
12	383
13	463
14	487
15	521
16	607
17	617
18	691
19	701
20	769
21	809
22	881
23	929
24	967
25	977
26	1423
27	1567
28	1579
29	1627
30	1753
31	2029
32	2063
33	2087
34	2207
35	2239
36	2251
37	2297
38	2341
39	2383
40	2393
41	2467
42	2477
43	2579
44	2657
45	2789
46	2833
47	3001
48	3533

[11, 19, 29, 41, 83, 113, 167, 173, 199, 307, 367, 383, 463, 487, 521, 607, 617, 691, 701, 769, 809, 881, 929, 967, 977, 1423, 1567, 1579, 1627, 1753, 2029, 2063, 2087, 2207, 2239, 2251, 2297, 2341, 2383, 2393, 2467, 2477, 2579, 2657, 2789, 2833, 3001, 3533]

cp's OEIS Frontend

A080821 Primes in the accumulated tally of steps in the x+1 problem: Repeat until 1 is reached: if x is even divide by 2, otherwise add 1.

Table of values

List of values