A083522 - cp's OEIS frontend

A083522 Smallest k such that k(k+1)(k+2)...(k+n-1) + 1 is prime, or 0 if no such number exists.

n	a(n)
1	1
2	1
3	1
4	0
5	3
6	3
7	4
8	4
9	6
10	2
11	1
12	10
13	5
14	3
15	9
16	6
17	6
18	4
19	5
20	8
21	6
22	7
23	19
24	25
25	11
26	2
27	1
28	3
29	9
30	23
31	7
32	7
33	39
34	5
35	7
36	2
37	1
38	5
39	78
40	2
41	1
42	15
43	19
44	12
45	17
46	6
47	3
48	14
49	8
50	21
51	23
52	17
53	14
54	40
55	16
56	6
57	8
58	13
59	15
60	5
61	15
62	82
63	46
64	51
65	39
66	43
67	6
68	11
69	61
70	57
71	16
72	2
73	1
74	26
75	54
76	2
77	1
78	13
79	4
80	62
81	31
82	69
83	27
84	155
85	21

[1, 1, 1, 0, 3, 3, 4, 4, 6, 2, 1, 10, 5, 3, 9, 6, 6, 4, 5, 8, 6, 7, 19, 25, 11, 2, 1, 3, 9, 23, 7, 7, 39, 5, 7, 2, 1, 5, 78, 2, 1, 15, 19, 12, 17, 6, 3, 14, 8, 21, 23, 17, 14, 40, 16, 6, 8, 13, 15, 5, 15, 82, 46, 51, 39, 43, 6, 11, 61, 57, 16, 2, 1, 26, 54, 2, 1, 13, 4, 62, 31, 69, 27, 155, 21]

cp's OEIS Frontend

A083522 Smallest k such that k(k+1)(k+2)...(k+n-1) + 1 is prime, or 0 if no such number exists.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	0
5	3
6	3
7	4
8	4
9	6
10	2
11	1
12	10
13	5
14	3
15	9
16	6
17	6
18	4
19	5
20	8
21	6
22	7
23	19
24	25
25	11
26	2
27	1
28	3
29	9
30	23
31	7
32	7
33	39
34	5
35	7
36	2
37	1
38	5
39	78
40	2
41	1
42	15
43	19
44	12
45	17
46	6
47	3
48	14
49	8
50	21
51	23
52	17
53	14
54	40
55	16
56	6
57	8
58	13
59	15
60	5
61	15
62	82
63	46
64	51
65	39
66	43
67	6
68	11
69	61
70	57
71	16
72	2
73	1
74	26
75	54
76	2
77	1
78	13
79	4
80	62
81	31
82	69
83	27
84	155
85	21

n	a(n)
1	1
2	1
3	1
4	0
5	3
6	3
7	4
8	4
9	6
10	2
11	1
12	10
13	5
14	3
15	9
16	6
17	6
18	4
19	5
20	8
21	6
22	7
23	19
24	25
25	11
26	2
27	1
28	3
29	9
30	23
31	7
32	7
33	39
34	5
35	7
36	2
37	1
38	5
39	78
40	2
41	1
42	15
43	19
44	12
45	17
46	6
47	3
48	14
49	8
50	21
51	23
52	17
53	14
54	40
55	16
56	6
57	8
58	13
59	15
60	5
61	15
62	82
63	46
64	51
65	39
66	43
67	6
68	11
69	61
70	57
71	16
72	2
73	1
74	26
75	54
76	2
77	1
78	13
79	4
80	62
81	31
82	69
83	27
84	155
85	21

cp's OEIS Frontend

A083522 Smallest k such that k*(k+1)*(k+2)*...*(k+n-1) + 1 is prime, or 0 if no such number exists.

Table of values

List of values

A083522 Smallest k such that k(k+1)(k+2)...(k+n-1) + 1 is prime, or 0 if no such number exists.

n	a(n)
1	1
2	1
3	1
4	0
5	3
6	3
7	4
8	4
9	6
10	2
11	1
12	10
13	5
14	3
15	9
16	6
17	6
18	4
19	5
20	8
21	6
22	7
23	19
24	25
25	11
26	2
27	1
28	3
29	9
30	23
31	7
32	7
33	39
34	5
35	7
36	2
37	1
38	5
39	78
40	2
41	1
42	15
43	19
44	12
45	17
46	6
47	3
48	14
49	8
50	21
51	23
52	17
53	14
54	40
55	16
56	6
57	8
58	13
59	15
60	5
61	15
62	82
63	46
64	51
65	39
66	43
67	6
68	11
69	61
70	57
71	16
72	2
73	1
74	26
75	54
76	2
77	1
78	13
79	4
80	62
81	31
82	69
83	27
84	155
85	21