A100372 - cp's OEIS frontend

A100372 Build up the least positive nonprime number from all subsets of decimal digits {0,1,2,3,4,5,6,7,8,9}. The terms are ordered as follows: 1. for fixed k, the k-digit-subsets for design are ordered lexicographically; 2. choose k=1,2,...,9,10-subsets.

n	a(n)
1	1
2	22
3	33
4	4
5	55
6	6
7	77
8	8
9	9
10	10
11	20
12	30
13	40
14	50
15	60
16	70
17	80
18	90
19	12
20	133
21	14
22	15
23	16
24	117
25	18
26	91
27	32
28	24
29	25
30	26
31	27
32	28
33	92
34	34
35	35
36	36
37	377
38	38
39	39
40	45
41	46
42	74
43	48
44	49
45	56
46	57
47	58
48	95
49	76
50	68
51	69
52	78
53	779
54	98
55	102
56	130
57	104
58	105
59	106
60	170
61	108
62	190
63	203
64	204
65	205
66	206

[1, 22, 33, 4, 55, 6, 77, 8, 9, 10, 20, 30, 40, 50, 60, 70, 80, 90, 12, 133, 14, 15, 16, 117, 18, 91, 32, 24, 25, 26, 27, 28, 92, 34, 35, 36, 377, 38, 39, 45, 46, 74, 48, 49, 56, 57, 58, 95, 76, 68, 69, 78, 779, 98, 102, 130, 104, 105, 106, 170, 108, 190, 203, 204, 205, 206]

cp's OEIS Frontend

A100372 Build up the least positive nonprime number from all subsets of decimal digits {0,1,2,3,4,5,6,7,8,9}. The terms are ordered as follows: 1. for fixed k, the k-digit-subsets for design are ordered lexicographically; 2. choose k=1,2,...,9,10-subsets.

Table of values

List of values

n	a(n)
1	1
2	22
3	33
4	4
5	55
6	6
7	77
8	8
9	9
10	10
11	20
12	30
13	40
14	50
15	60
16	70
17	80
18	90
19	12
20	133
21	14
22	15
23	16
24	117
25	18
26	91
27	32
28	24
29	25
30	26
31	27
32	28
33	92
34	34
35	35
36	36
37	377
38	38
39	39
40	45
41	46
42	74
43	48
44	49
45	56
46	57
47	58
48	95
49	76
50	68
51	69
52	78
53	779
54	98
55	102
56	130
57	104
58	105
59	106
60	170
61	108
62	190
63	203
64	204
65	205
66	206

n	a(n)
1	1
2	22
3	33
4	4
5	55
6	6
7	77
8	8
9	9
10	10
11	20
12	30
13	40
14	50
15	60
16	70
17	80
18	90
19	12
20	133
21	14
22	15
23	16
24	117
25	18
26	91
27	32
28	24
29	25
30	26
31	27
32	28
33	92
34	34
35	35
36	36
37	377
38	38
39	39
40	45
41	46
42	74
43	48
44	49
45	56
46	57
47	58
48	95
49	76
50	68
51	69
52	78
53	779
54	98
55	102
56	130
57	104
58	105
59	106
60	170
61	108
62	190
63	203
64	204
65	205
66	206

n	a(n)
1	1
2	22
3	33
4	4
5	55
6	6
7	77
8	8
9	9
10	10
11	20
12	30
13	40
14	50
15	60
16	70
17	80
18	90
19	12
20	133
21	14
22	15
23	16
24	117
25	18
26	91
27	32
28	24
29	25
30	26
31	27
32	28
33	92
34	34
35	35
36	36
37	377
38	38
39	39
40	45
41	46
42	74
43	48
44	49
45	56
46	57
47	58
48	95
49	76
50	68
51	69
52	78
53	779
54	98
55	102
56	130
57	104
58	105
59	106
60	170
61	108
62	190
63	203
64	204
65	205
66	206