A222813 - cp's OEIS frontend

A222813 Numbers whose binary representation is palindromic and in which all runs of 0's and 1's have length at least 2.

n	a(n)
1	3
2	7
3	15
4	31
5	51
6	63
7	99
8	127
9	195
10	231
11	255
12	387
13	455
14	511
15	771
16	819
17	903
18	975
19	1023
20	1539
21	1651
22	1799
23	1935
24	2047
25	3075
26	3171
27	3315
28	3591
29	3687
30	3855
31	3999
32	4095
33	6147
34	6371
35	6643
36	7175
37	7399
38	7695
39	7967
40	8191
41	12291
42	12483
43	12771
44	13107
45	13299
46	14343
47	14535
48	14823
49	15375
50	15567
51	15903
52	16191
53	16383
54	24579

[3, 7, 15, 31, 51, 63, 99, 127, 195, 231, 255, 387, 455, 511, 771, 819, 903, 975, 1023, 1539, 1651, 1799, 1935, 2047, 3075, 3171, 3315, 3591, 3687, 3855, 3999, 4095, 6147, 6371, 6643, 7175, 7399, 7695, 7967, 8191, 12291, 12483, 12771, 13107, 13299, 14343, 14535, 14823, 15375, 15567, 15903, 16191, 16383, 24579]

cp's OEIS Frontend

A222813 Numbers whose binary representation is palindromic and in which all runs of 0's and 1's have length at least 2.

Table of values

List of values