A080092 - cp's OEIS frontend

A080092 Irregular triangle read by rows, giving prime sequences (p-1|2n) appearing in the n-th von Staudt-Clausen sum.

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

[2, 2, 3, 2, 3, 5, 2, 3, 7, 2, 3, 5, 2, 3, 11, 2, 3, 5, 7, 13, 2, 3, 2, 3, 5, 17, 2, 3, 7, 19, 2, 3, 5, 11, 2, 3, 23, 2, 3, 5, 7, 13, 2, 3, 2, 3, 5, 29, 2, 3, 7, 11, 31, 2, 3, 5, 17, 2, 3, 2, 3, 5, 7, 13, 19, 37, 2, 3, 2, 3, 5, 11, 41, 2, 3, 7, 43, 2, 3, 5, 23, 2, 3, 47, 2, 3, 5, 7, 13, 17, 2, 3]

cp's OEIS Frontend

A080092 Irregular triangle read by rows, giving prime sequences (p-1|2n) appearing in the n-th von Staudt-Clausen sum.

Table of values

List of values

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

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

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