A371455 - cp's OEIS frontend

A371455 Numbers k such that if we take the binary indices of each prime index of k we get an antichain of sets.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	14
14	16
15	17
16	18
17	19
18	21
19	23
20	24
21	25
22	26
23	27
24	28
25	29
26	31
27	32
28	33
29	35
30	36
31	37
32	38
33	41
34	42
35	43
36	47
37	48
38	49
39	52
40	53
41	54
42	55
43	56
44	57
45	58
46	59
47	61
48	63
49	64
50	65
51	67
52	69
53	71
54	72
55	73
56	74
57	76
58	79
59	81
60	83
61	84
62	86
63	89
64	95
65	96
66	97
67	98
68	99

[1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 16, 17, 18, 19, 21, 23, 24, 25, 26, 27, 28, 29, 31, 32, 33, 35, 36, 37, 38, 41, 42, 43, 47, 48, 49, 52, 53, 54, 55, 56, 57, 58, 59, 61, 63, 64, 65, 67, 69, 71, 72, 73, 74, 76, 79, 81, 83, 84, 86, 89, 95, 96, 97, 98, 99]

cp's OEIS Frontend

A371455 Numbers k such that if we take the binary indices of each prime index of k we get an antichain of sets.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	14
14	16
15	17
16	18
17	19
18	21
19	23
20	24
21	25
22	26
23	27
24	28
25	29
26	31
27	32
28	33
29	35
30	36
31	37
32	38
33	41
34	42
35	43
36	47
37	48
38	49
39	52
40	53
41	54
42	55
43	56
44	57
45	58
46	59
47	61
48	63
49	64
50	65
51	67
52	69
53	71
54	72
55	73
56	74
57	76
58	79
59	81
60	83
61	84
62	86
63	89
64	95
65	96
66	97
67	98
68	99

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	14
14	16
15	17
16	18
17	19
18	21
19	23
20	24
21	25
22	26
23	27
24	28
25	29
26	31
27	32
28	33
29	35
30	36
31	37
32	38
33	41
34	42
35	43
36	47
37	48
38	49
39	52
40	53
41	54
42	55
43	56
44	57
45	58
46	59
47	61
48	63
49	64
50	65
51	67
52	69
53	71
54	72
55	73
56	74
57	76
58	79
59	81
60	83
61	84
62	86
63	89
64	95
65	96
66	97
67	98
68	99

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	11
11	12
12	13
13	14
14	16
15	17
16	18
17	19
18	21
19	23
20	24
21	25
22	26
23	27
24	28
25	29
26	31
27	32
28	33
29	35
30	36
31	37
32	38
33	41
34	42
35	43
36	47
37	48
38	49
39	52
40	53
41	54
42	55
43	56
44	57
45	58
46	59
47	61
48	63
49	64
50	65
51	67
52	69
53	71
54	72
55	73
56	74
57	76
58	79
59	81
60	83
61	84
62	86
63	89
64	95
65	96
66	97
67	98
68	99