A093781 - cp's OEIS frontend

A093781 a(n) is the position of the prime 5 in the Euclid-Mullin (EM) sequence of type A000945, if it were started with prime(n) instead of 2.

n	a(n)
1	7
2	7
3	1
4	7
5	18
6	10
7	3
8	4
9	11
10	7
11	8
12	8
13	10
14	7
15	3
16	13
17	8
18	6
19	7
20	8
21	6
22	4
23	7
24	8
25	9
26	4
27	6
28	3
29	4
30	11
31	5
32	8
33	3
34	4
35	4
36	8
37	8
38	13
39	3
40	10
41	21
42	15
43	6
44	8
45	3
46	4
47	13
48	5
49	3
50	4
51	8
52	14
53	6
54	10
55	3
56	6
57	12
58	6
59	10
60	6
61	6
62	13
63	8
64	4
65	6
66	3
67	11
68	5
69	3
70	4
71	13
72	6
73	10
74	8
75	4
76	26
77	8
78	7
79	11
80	4
81	7
82	10
83	7
84	5
85	4
86	7
87	16
88	8
89	7
90	9
91	3
92	5
93	5
94	6

[7, 7, 1, 7, 18, 10, 3, 4, 11, 7, 8, 8, 10, 7, 3, 13, 8, 6, 7, 8, 6, 4, 7, 8, 9, 4, 6, 3, 4, 11, 5, 8, 3, 4, 4, 8, 8, 13, 3, 10, 21, 15, 6, 8, 3, 4, 13, 5, 3, 4, 8, 14, 6, 10, 3, 6, 12, 6, 10, 6, 6, 13, 8, 4, 6, 3, 11, 5, 3, 4, 13, 6, 10, 8, 4, 26, 8, 7, 11, 4, 7, 10, 7, 5, 4, 7, 16, 8, 7, 9, 3, 5, 5, 6]

cp's OEIS Frontend

A093781 a(n) is the position of the prime 5 in the Euclid-Mullin (EM) sequence of type A000945, if it were started with prime(n) instead of 2.

Table of values

List of values

n	a(n)
1	7
2	7
3	1
4	7
5	18
6	10
7	3
8	4
9	11
10	7
11	8
12	8
13	10
14	7
15	3
16	13
17	8
18	6
19	7
20	8
21	6
22	4
23	7
24	8
25	9
26	4
27	6
28	3
29	4
30	11
31	5
32	8
33	3
34	4
35	4
36	8
37	8
38	13
39	3
40	10
41	21
42	15
43	6
44	8
45	3
46	4
47	13
48	5
49	3
50	4
51	8
52	14
53	6
54	10
55	3
56	6
57	12
58	6
59	10
60	6
61	6
62	13
63	8
64	4
65	6
66	3
67	11
68	5
69	3
70	4
71	13
72	6
73	10
74	8
75	4
76	26
77	8
78	7
79	11
80	4
81	7
82	10
83	7
84	5
85	4
86	7
87	16
88	8
89	7
90	9
91	3
92	5
93	5
94	6

n	a(n)
1	7
2	7
3	1
4	7
5	18
6	10
7	3
8	4
9	11
10	7
11	8
12	8
13	10
14	7
15	3
16	13
17	8
18	6
19	7
20	8
21	6
22	4
23	7
24	8
25	9
26	4
27	6
28	3
29	4
30	11
31	5
32	8
33	3
34	4
35	4
36	8
37	8
38	13
39	3
40	10
41	21
42	15
43	6
44	8
45	3
46	4
47	13
48	5
49	3
50	4
51	8
52	14
53	6
54	10
55	3
56	6
57	12
58	6
59	10
60	6
61	6
62	13
63	8
64	4
65	6
66	3
67	11
68	5
69	3
70	4
71	13
72	6
73	10
74	8
75	4
76	26
77	8
78	7
79	11
80	4
81	7
82	10
83	7
84	5
85	4
86	7
87	16
88	8
89	7
90	9
91	3
92	5
93	5
94	6

n	a(n)
1	7
2	7
3	1
4	7
5	18
6	10
7	3
8	4
9	11
10	7
11	8
12	8
13	10
14	7
15	3
16	13
17	8
18	6
19	7
20	8
21	6
22	4
23	7
24	8
25	9
26	4
27	6
28	3
29	4
30	11
31	5
32	8
33	3
34	4
35	4
36	8
37	8
38	13
39	3
40	10
41	21
42	15
43	6
44	8
45	3
46	4
47	13
48	5
49	3
50	4
51	8
52	14
53	6
54	10
55	3
56	6
57	12
58	6
59	10
60	6
61	6
62	13
63	8
64	4
65	6
66	3
67	11
68	5
69	3
70	4
71	13
72	6
73	10
74	8
75	4
76	26
77	8
78	7
79	11
80	4
81	7
82	10
83	7
84	5
85	4
86	7
87	16
88	8
89	7
90	9
91	3
92	5
93	5
94	6