A235040 - cp's OEIS frontend

A235040 After 1, composite odd numbers, whose prime divisors, when multiplied together without carry-bits (as codes for GF(2)[X]-polynomials, with A048720), yield the same number back.

n	a(n)
0	1
1	15
2	51
3	85
4	95
5	111
6	119
7	123
8	187
9	219
10	221
11	255
12	335
13	365
14	411
15	447
16	485
17	511
18	629
19	655
20	685
21	697
22	771
23	831
24	879
25	959
26	965
27	1011
28	1139
29	1241
30	1285
31	1405
32	1535
33	1563
34	1649
35	1731
36	1779
37	1799
38	1923
39	1983
40	2005
41	2019
42	2031
43	2045
44	2227
45	2605
46	2735
47	2815
48	2827

[1, 15, 51, 85, 95, 111, 119, 123, 187, 219, 221, 255, 335, 365, 411, 447, 485, 511, 629, 655, 685, 697, 771, 831, 879, 959, 965, 1011, 1139, 1241, 1285, 1405, 1535, 1563, 1649, 1731, 1779, 1799, 1923, 1983, 2005, 2019, 2031, 2045, 2227, 2605, 2735, 2815, 2827]

cp's OEIS Frontend

A235040 After 1, composite odd numbers, whose prime divisors, when multiplied together without carry-bits (as codes for GF(2)[X]-polynomials, with A048720), yield the same number back.

Table of values

List of values