A321513 - cp's OEIS frontend

A321513 Numbers that are periodic in base 4, written in decimal, where the base-4 expansion contains at least two periods.

n	a(n)
1	5
2	10
3	15
4	17
5	21
6	34
7	42
8	51
9	63
10	65
11	68
12	85
13	102
14	119
15	130
16	136
17	153
18	170
19	187
20	195
21	204
22	221
23	238
24	255
25	257
26	260
27	273
28	325
29	341
30	390
31	455
32	514
33	520
34	546
35	585
36	650
37	682
38	715
39	771
40	780
41	819
42	845
43	910
44	975
45	1023
46	1025
47	1028
48	1040
49	1092
50	1105
51	1170
52	1235
53	1285

[5, 10, 15, 17, 21, 34, 42, 51, 63, 65, 68, 85, 102, 119, 130, 136, 153, 170, 187, 195, 204, 221, 238, 255, 257, 260, 273, 325, 341, 390, 455, 514, 520, 546, 585, 650, 682, 715, 771, 780, 819, 845, 910, 975, 1023, 1025, 1028, 1040, 1092, 1105, 1170, 1235, 1285]

cp's OEIS Frontend

A321513 Numbers that are periodic in base 4, written in decimal, where the base-4 expansion contains at least two periods.

Table of values

List of values