A268083 - cp's OEIS frontend

A268083 Numbers k that are not prime powers and such that gcd(binomial(2*k-1,k), k) = 1.

n	a(n)
1	39
2	55
3	93
4	111
5	119
6	155
7	161
8	185
9	253
10	275
11	279
12	305
13	327
14	333
15	351
16	363
17	377
18	403
19	407
20	413
21	497
22	511
23	517
24	533
25	559
26	629
27	635
28	649
29	655
30	685
31	689
32	697
33	707
34	741
35	749
36	755
37	779
38	785
39	791
40	813
41	817
42	849
43	871
44	893
45	901
46	905
47	923
48	981
49	1003
50	1011
51	1027
52	1043

[39, 55, 93, 111, 119, 155, 161, 185, 253, 275, 279, 305, 327, 333, 351, 363, 377, 403, 407, 413, 497, 511, 517, 533, 559, 629, 635, 649, 655, 685, 689, 697, 707, 741, 749, 755, 779, 785, 791, 813, 817, 849, 871, 893, 901, 905, 923, 981, 1003, 1011, 1027, 1043]

cp's OEIS Frontend

A268083 Numbers k that are not prime powers and such that gcd(binomial(2*k-1,k), k) = 1.

Table of values

List of values