A127913 - cp's OEIS frontend

A127913 Least k >= 0 such that A001597(n)+k is an even semiprime.

n	a(n)
1	3
2	0
3	2
4	1
5	6
6	1
7	7
8	2
9	2
10	9
11	10
12	1
13	6
14	1
15	9
16	6
17	2
18	9
19	6
20	2
21	1
22	11
23	6
24	9
25	2
26	3
27	1
28	22
29	5
30	18
31	2
32	9
33	10
34	1
35	18
36	5
37	10
38	1
39	14
40	13
41	6
42	18
43	5
44	18
45	1
46	10
47	15
48	13
49	10
50	1
51	18
52	25
53	26
54	2
55	9
56	6
57	1
58	14
59	6
60	7
61	9
62	9
63	2
64	1
65	18
66	1
67	18
68	2
69	9
70	2
71	21
72	9
73	6
74	5
75	22
76	11
77	1
78	2
79	1
80	18
81	5
82	10
83	1
84	2
85	13
86	42
87	1
88	18
89	5
90	1
91	2

[3, 0, 2, 1, 6, 1, 7, 2, 2, 9, 10, 1, 6, 1, 9, 6, 2, 9, 6, 2, 1, 11, 6, 9, 2, 3, 1, 22, 5, 18, 2, 9, 10, 1, 18, 5, 10, 1, 14, 13, 6, 18, 5, 18, 1, 10, 15, 13, 10, 1, 18, 25, 26, 2, 9, 6, 1, 14, 6, 7, 9, 9, 2, 1, 18, 1, 18, 2, 9, 2, 21, 9, 6, 5, 22, 11, 1, 2, 1, 18, 5, 10, 1, 2, 13, 42, 1, 18, 5, 1, 2]

cp's OEIS Frontend

A127913 Least k >= 0 such that A001597(n)+k is an even semiprime.

Table of values

List of values

n	a(n)
1	3
2	0
3	2
4	1
5	6
6	1
7	7
8	2
9	2
10	9
11	10
12	1
13	6
14	1
15	9
16	6
17	2
18	9
19	6
20	2
21	1
22	11
23	6
24	9
25	2
26	3
27	1
28	22
29	5
30	18
31	2
32	9
33	10
34	1
35	18
36	5
37	10
38	1
39	14
40	13
41	6
42	18
43	5
44	18
45	1
46	10
47	15
48	13
49	10
50	1
51	18
52	25
53	26
54	2
55	9
56	6
57	1
58	14
59	6
60	7
61	9
62	9
63	2
64	1
65	18
66	1
67	18
68	2
69	9
70	2
71	21
72	9
73	6
74	5
75	22
76	11
77	1
78	2
79	1
80	18
81	5
82	10
83	1
84	2
85	13
86	42
87	1
88	18
89	5
90	1
91	2

n	a(n)
1	3
2	0
3	2
4	1
5	6
6	1
7	7
8	2
9	2
10	9
11	10
12	1
13	6
14	1
15	9
16	6
17	2
18	9
19	6
20	2
21	1
22	11
23	6
24	9
25	2
26	3
27	1
28	22
29	5
30	18
31	2
32	9
33	10
34	1
35	18
36	5
37	10
38	1
39	14
40	13
41	6
42	18
43	5
44	18
45	1
46	10
47	15
48	13
49	10
50	1
51	18
52	25
53	26
54	2
55	9
56	6
57	1
58	14
59	6
60	7
61	9
62	9
63	2
64	1
65	18
66	1
67	18
68	2
69	9
70	2
71	21
72	9
73	6
74	5
75	22
76	11
77	1
78	2
79	1
80	18
81	5
82	10
83	1
84	2
85	13
86	42
87	1
88	18
89	5
90	1
91	2

n	a(n)
1	3
2	0
3	2
4	1
5	6
6	1
7	7
8	2
9	2
10	9
11	10
12	1
13	6
14	1
15	9
16	6
17	2
18	9
19	6
20	2
21	1
22	11
23	6
24	9
25	2
26	3
27	1
28	22
29	5
30	18
31	2
32	9
33	10
34	1
35	18
36	5
37	10
38	1
39	14
40	13
41	6
42	18
43	5
44	18
45	1
46	10
47	15
48	13
49	10
50	1
51	18
52	25
53	26
54	2
55	9
56	6
57	1
58	14
59	6
60	7
61	9
62	9
63	2
64	1
65	18
66	1
67	18
68	2
69	9
70	2
71	21
72	9
73	6
74	5
75	22
76	11
77	1
78	2
79	1
80	18
81	5
82	10
83	1
84	2
85	13
86	42
87	1
88	18
89	5
90	1
91	2