A253952 - cp's OEIS frontend

A253952 Numbers that require three steps to collapse to a single digit in base 4 (written in base 10).

n	a(n)
1	43
2	103
3	139
4	154
5	163
6	169
7	223
8	343
9	403
10	463
11	523
12	547
13	553
14	610
15	643
16	649
17	673
18	703
19	823
20	847
21	862
22	1231
23	1303
24	1363
25	1486
26	1603
27	2059
28	2083
29	2089
30	2179
31	2185
32	2209
33	2239
34	2434
35	2563
36	2569
37	2593
38	2623
39	2689
40	2731

[43, 103, 139, 154, 163, 169, 223, 343, 403, 463, 523, 547, 553, 610, 643, 649, 673, 703, 823, 847, 862, 1231, 1303, 1363, 1486, 1603, 2059, 2083, 2089, 2179, 2185, 2209, 2239, 2434, 2563, 2569, 2593, 2623, 2689, 2731]

cp's OEIS Frontend

A253952 Numbers that require three steps to collapse to a single digit in base 4 (written in base 10).

Table of values

List of values