A331662 - cp's OEIS frontend

A331662 Odd composite numbers k such that the divisors of the binary reversal of k (A030101) are the binary reversals of the divisors of k.

n	a(n)
1	9
2	15
3	21
4	27
5	45
6	51
7	63
8	85
9	93
10	95
11	111
12	119
13	123
14	125
15	153
16	187
17	189
18	219
19	221
20	255
21	335
22	365
23	381
24	485
25	511
26	597
27	629
28	655
29	681
30	697
31	765
32	771
33	831
34	965
35	1011
36	1139
37	1241
38	1285
39	1389
40	1461
41	1533
42	1535
43	1563
44	1649
45	1731
46	1791
47	1799
48	1983
49	2031
50	2043
51	2045

[9, 15, 21, 27, 45, 51, 63, 85, 93, 95, 111, 119, 123, 125, 153, 187, 189, 219, 221, 255, 335, 365, 381, 485, 511, 597, 629, 655, 681, 697, 765, 771, 831, 965, 1011, 1139, 1241, 1285, 1389, 1461, 1533, 1535, 1563, 1649, 1731, 1791, 1799, 1983, 2031, 2043, 2045]

cp's OEIS Frontend

A331662 Odd composite numbers k such that the divisors of the binary reversal of k (A030101) are the binary reversals of the divisors of k.

Table of values

List of values