A100639 - cp's OEIS frontend

A100639 Residues modulo 10 of the irregular primes (A000928).

n	a(n)
1	7
2	9
3	7
4	1
5	3
6	1
7	9
8	7
9	3
10	7
11	3
12	1
13	3
14	3
15	7
16	1
17	7
18	3
19	9
20	9
21	1
22	9
23	1
24	3
25	1
26	3
27	7
28	1
29	3
30	1
31	7
32	7
33	7
34	7
35	3
36	7
37	3
38	7
39	9
40	1
41	7
42	3
43	9
44	3
45	7
46	3
47	1
48	7
49	1
50	7
51	1
52	3
53	7
54	9
55	1
56	1
57	7
58	9
59	7
60	1
61	7
62	9
63	3
64	1
65	1
66	1
67	7
68	9
69	1
70	3
71	3
72	1
73	7
74	9
75	7
76	9
77	3
78	1
79	7
80	1
81	7
82	9
83	7
84	7
85	1
86	9
87	9
88	9
89	3
90	9
91	3
92	9
93	7
94	9
95	3
96	9
97	1
98	7
99	3
100	9
101	1
102	3
103	3
104	9
105	7

[7, 9, 7, 1, 3, 1, 9, 7, 3, 7, 3, 1, 3, 3, 7, 1, 7, 3, 9, 9, 1, 9, 1, 3, 1, 3, 7, 1, 3, 1, 7, 7, 7, 7, 3, 7, 3, 7, 9, 1, 7, 3, 9, 3, 7, 3, 1, 7, 1, 7, 1, 3, 7, 9, 1, 1, 7, 9, 7, 1, 7, 9, 3, 1, 1, 1, 7, 9, 1, 3, 3, 1, 7, 9, 7, 9, 3, 1, 7, 1, 7, 9, 7, 7, 1, 9, 9, 9, 3, 9, 3, 9, 7, 9, 3, 9, 1, 7, 3, 9, 1, 3, 3, 9, 7]

cp's OEIS Frontend

A100639 Residues modulo 10 of the irregular primes (A000928).

Table of values

List of values

n	a(n)
1	7
2	9
3	7
4	1
5	3
6	1
7	9
8	7
9	3
10	7
11	3
12	1
13	3
14	3
15	7
16	1
17	7
18	3
19	9
20	9
21	1
22	9
23	1
24	3
25	1
26	3
27	7
28	1
29	3
30	1
31	7
32	7
33	7
34	7
35	3
36	7
37	3
38	7
39	9
40	1
41	7
42	3
43	9
44	3
45	7
46	3
47	1
48	7
49	1
50	7
51	1
52	3
53	7
54	9
55	1
56	1
57	7
58	9
59	7
60	1
61	7
62	9
63	3
64	1
65	1
66	1
67	7
68	9
69	1
70	3
71	3
72	1
73	7
74	9
75	7
76	9
77	3
78	1
79	7
80	1
81	7
82	9
83	7
84	7
85	1
86	9
87	9
88	9
89	3
90	9
91	3
92	9
93	7
94	9
95	3
96	9
97	1
98	7
99	3
100	9
101	1
102	3
103	3
104	9
105	7

n	a(n)
1	7
2	9
3	7
4	1
5	3
6	1
7	9
8	7
9	3
10	7
11	3
12	1
13	3
14	3
15	7
16	1
17	7
18	3
19	9
20	9
21	1
22	9
23	1
24	3
25	1
26	3
27	7
28	1
29	3
30	1
31	7
32	7
33	7
34	7
35	3
36	7
37	3
38	7
39	9
40	1
41	7
42	3
43	9
44	3
45	7
46	3
47	1
48	7
49	1
50	7
51	1
52	3
53	7
54	9
55	1
56	1
57	7
58	9
59	7
60	1
61	7
62	9
63	3
64	1
65	1
66	1
67	7
68	9
69	1
70	3
71	3
72	1
73	7
74	9
75	7
76	9
77	3
78	1
79	7
80	1
81	7
82	9
83	7
84	7
85	1
86	9
87	9
88	9
89	3
90	9
91	3
92	9
93	7
94	9
95	3
96	9
97	1
98	7
99	3
100	9
101	1
102	3
103	3
104	9
105	7

n	a(n)
1	7
2	9
3	7
4	1
5	3
6	1
7	9
8	7
9	3
10	7
11	3
12	1
13	3
14	3
15	7
16	1
17	7
18	3
19	9
20	9
21	1
22	9
23	1
24	3
25	1
26	3
27	7
28	1
29	3
30	1
31	7
32	7
33	7
34	7
35	3
36	7
37	3
38	7
39	9
40	1
41	7
42	3
43	9
44	3
45	7
46	3
47	1
48	7
49	1
50	7
51	1
52	3
53	7
54	9
55	1
56	1
57	7
58	9
59	7
60	1
61	7
62	9
63	3
64	1
65	1
66	1
67	7
68	9
69	1
70	3
71	3
72	1
73	7
74	9
75	7
76	9
77	3
78	1
79	7
80	1
81	7
82	9
83	7
84	7
85	1
86	9
87	9
88	9
89	3
90	9
91	3
92	9
93	7
94	9
95	3
96	9
97	1
98	7
99	3
100	9
101	1
102	3
103	3
104	9
105	7