A066682 - cp's OEIS frontend

A066682 Indices of badly sieved numbers: a(n) = k if n = A066680(k), otherwise 0.

n	a(n)
1	0
2	1
3	2
4	0
5	3
6	0
7	4
8	5
9	0
10	0
11	6
12	7
13	8
14	0
15	0
16	0
17	9
18	10
19	11
20	0
21	0
22	0
23	12
24	0
25	0
26	0
27	13
28	0
29	14
30	15
31	16
32	0
33	0
34	0
35	0
36	0
37	17
38	0
39	0
40	0
41	18
42	0
43	19
44	0
45	20
46	0
47	21
48	0
49	0
50	22
51	0
52	0
53	23
54	0
55	0
56	0
57	0
58	0
59	24
60	0
61	25
62	0
63	26
64	0
65	0
66	0
67	27
68	0
69	0
70	28
71	29
72	0
73	30
74	0
75	31
76	0
77	0
78	0
79	32

[0, 1, 2, 0, 3, 0, 4, 5, 0, 0, 6, 7, 8, 0, 0, 0, 9, 10, 11, 0, 0, 0, 12, 0, 0, 0, 13, 0, 14, 15, 16, 0, 0, 0, 0, 0, 17, 0, 0, 0, 18, 0, 19, 0, 20, 0, 21, 0, 0, 22, 0, 0, 23, 0, 0, 0, 0, 0, 24, 0, 25, 0, 26, 0, 0, 0, 27, 0, 0, 28, 29, 0, 30, 0, 31, 0, 0, 0, 32]

cp's OEIS Frontend

A066682 Indices of badly sieved numbers: a(n) = k if n = A066680(k), otherwise 0.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	0
5	3
6	0
7	4
8	5
9	0
10	0
11	6
12	7
13	8
14	0
15	0
16	0
17	9
18	10
19	11
20	0
21	0
22	0
23	12
24	0
25	0
26	0
27	13
28	0
29	14
30	15
31	16
32	0
33	0
34	0
35	0
36	0
37	17
38	0
39	0
40	0
41	18
42	0
43	19
44	0
45	20
46	0
47	21
48	0
49	0
50	22
51	0
52	0
53	23
54	0
55	0
56	0
57	0
58	0
59	24
60	0
61	25
62	0
63	26
64	0
65	0
66	0
67	27
68	0
69	0
70	28
71	29
72	0
73	30
74	0
75	31
76	0
77	0
78	0
79	32

n	a(n)
1	0
2	1
3	2
4	0
5	3
6	0
7	4
8	5
9	0
10	0
11	6
12	7
13	8
14	0
15	0
16	0
17	9
18	10
19	11
20	0
21	0
22	0
23	12
24	0
25	0
26	0
27	13
28	0
29	14
30	15
31	16
32	0
33	0
34	0
35	0
36	0
37	17
38	0
39	0
40	0
41	18
42	0
43	19
44	0
45	20
46	0
47	21
48	0
49	0
50	22
51	0
52	0
53	23
54	0
55	0
56	0
57	0
58	0
59	24
60	0
61	25
62	0
63	26
64	0
65	0
66	0
67	27
68	0
69	0
70	28
71	29
72	0
73	30
74	0
75	31
76	0
77	0
78	0
79	32

n	a(n)
1	0
2	1
3	2
4	0
5	3
6	0
7	4
8	5
9	0
10	0
11	6
12	7
13	8
14	0
15	0
16	0
17	9
18	10
19	11
20	0
21	0
22	0
23	12
24	0
25	0
26	0
27	13
28	0
29	14
30	15
31	16
32	0
33	0
34	0
35	0
36	0
37	17
38	0
39	0
40	0
41	18
42	0
43	19
44	0
45	20
46	0
47	21
48	0
49	0
50	22
51	0
52	0
53	23
54	0
55	0
56	0
57	0
58	0
59	24
60	0
61	25
62	0
63	26
64	0
65	0
66	0
67	27
68	0
69	0
70	28
71	29
72	0
73	30
74	0
75	31
76	0
77	0
78	0
79	32