A173910 - cp's OEIS frontend

A173910 a(n) = smallest number >= a(n-1) such that a(1)a(2)...*a(n)+1 is prime; a(1)=2.

n	a(n)
1	2
2	2
3	3
4	3
5	3
6	4
7	5
8	7
9	10
10	14
11	15
12	18
13	30
14	32
15	46
16	56
17	58
18	59
19	84
20	86
21	99
22	101
23	103
24	106
25	122
26	126
27	128
28	128
29	136
30	152
31	157
32	170
33	190
34	208
35	281
36	282
37	284
38	320
39	393
40	406
41	459
42	479
43	526
44	529
45	530
46	540
47	559
48	601
49	639
50	640
51	709
52	789
53	828
54	900
55	917
56	949
57	1029
58	1029

[2, 2, 3, 3, 3, 4, 5, 7, 10, 14, 15, 18, 30, 32, 46, 56, 58, 59, 84, 86, 99, 101, 103, 106, 122, 126, 128, 128, 136, 152, 157, 170, 190, 208, 281, 282, 284, 320, 393, 406, 459, 479, 526, 529, 530, 540, 559, 601, 639, 640, 709, 789, 828, 900, 917, 949, 1029, 1029]

cp's OEIS Frontend

A173910 a(n) = smallest number >= a(n-1) such that a(1)a(2)...*a(n)+1 is prime; a(1)=2.

Table of values

List of values

cp's OEIS Frontend

A173910 a(n) = smallest number >= a(n-1) such that a(1)*a(2)*...*a(n)+1 is prime; a(1)=2.

Table of values

List of values

A173910 a(n) = smallest number >= a(n-1) such that a(1)a(2)...*a(n)+1 is prime; a(1)=2.