A020330 - cp's OEIS frontend

A020330 Numbers whose base-2 representation is the juxtaposition of two identical strings.

n	a(n)
1	3
2	10
3	15
4	36
5	45
6	54
7	63
8	136
9	153
10	170
11	187
12	204
13	221
14	238
15	255
16	528
17	561
18	594
19	627
20	660
21	693
22	726
23	759
24	792
25	825
26	858
27	891
28	924
29	957
30	990
31	1023
32	2080
33	2145
34	2210
35	2275
36	2340
37	2405
38	2470
39	2535
40	2600
41	2665
42	2730
43	2795
44	2860
45	2925
46	2990
47	3055
48	3120
49	3185
50	3250

[3, 10, 15, 36, 45, 54, 63, 136, 153, 170, 187, 204, 221, 238, 255, 528, 561, 594, 627, 660, 693, 726, 759, 792, 825, 858, 891, 924, 957, 990, 1023, 2080, 2145, 2210, 2275, 2340, 2405, 2470, 2535, 2600, 2665, 2730, 2795, 2860, 2925, 2990, 3055, 3120, 3185, 3250]

cp's OEIS Frontend

A020330 Numbers whose base-2 representation is the juxtaposition of two identical strings.

Table of values

List of values