A109939 - OEIS

A109939 as a simple table

n	a(n)
1	0
2	7
3	7
4	5
5	0
6	7
7	0
8	0
9	0
10	71
11	89
12	97
13	79
14	71
15	61
16	97
17	0
18	73
19	0
20	61
21	43
22	89
23	47
24	97
25	0
26	79
27	0
28	29
29	59
30	61
31	0
32	97
33	67
34	0
35	71
36	73
37	0
38	0
39	79
40	41
41	83
42	43
43	0
44	89
45	0
46	47
47	0
48	97
49	0
50	0
51	0
52	53
53	0
54	0
55	0
56	0
57	0
58	59
59	0
60	61
61	0
62	0
63	0
64	0
65	0
66	67
67	0
68	0
69	0
70	71
71	0
72	73
73	0
74	0
75	0
76	0

[0,7,7,5,0,7,0,0,0,71,89,97,79,71,61,97,0,73,0,61, 43,89,47,97,0,79,0,29,59,61,0,97,67,0,71,73,0,0, 79,41,83,43,0,89,0,47,0,97,0,0,0,53,0,0,0,0,0,59, 0,61,0,0,0,0,0,67,0,0,0,71,0,73,0,0,0,0]

n	a(n)
1	0
2	7
3	7
4	5
5	0
6	7
7	0
8	0
9	0
10	71
11	89
12	97
13	79
14	71
15	61
16	97
17	0
18	73
19	0
20	61
21	43
22	89
23	47
24	97
25	0
26	79
27	0
28	29
29	59
30	61
31	0
32	97
33	67
34	0
35	71
36	73
37	0
38	0
39	79
40	41
41	83
42	43
43	0
44	89
45	0
46	47
47	0
48	97
49	0
50	0
51	0
52	53
53	0
54	0
55	0
56	0
57	0
58	59
59	0
60	61
61	0
62	0
63	0
64	0
65	0
66	67
67	0
68	0
69	0
70	71
71	0
72	73
73	0
74	0
75	0
76	0

n	a(n)
1	0
2	7
3	7
4	5
5	0
6	7
7	0
8	0
9	0
10	71
11	89
12	97
13	79
14	71
15	61
16	97
17	0
18	73
19	0
20	61
21	43
22	89
23	47
24	97
25	0
26	79
27	0
28	29
29	59
30	61
31	0
32	97
33	67
34	0
35	71
36	73
37	0
38	0
39	79
40	41
41	83
42	43
43	0
44	89
45	0
46	47
47	0
48	97
49	0
50	0
51	0
52	53
53	0
54	0
55	0
56	0
57	0
58	59
59	0
60	61
61	0
62	0
63	0
64	0
65	0
66	67
67	0
68	0
69	0
70	71
71	0
72	73
73	0
74	0
75	0
76	0

n	a(n)
1	0
2	7
3	7
4	5
5	0
6	7
7	0
8	0
9	0
10	71
11	89
12	97
13	79
14	71
15	61
16	97
17	0
18	73
19	0
20	61
21	43
22	89
23	47
24	97
25	0
26	79
27	0
28	29
29	59
30	61
31	0
32	97
33	67
34	0
35	71
36	73
37	0
38	0
39	79
40	41
41	83
42	43
43	0
44	89
45	0
46	47
47	0
48	97
49	0
50	0
51	0
52	53
53	0
54	0
55	0
56	0
57	0
58	59
59	0
60	61
61	0
62	0
63	0
64	0
65	0
66	67
67	0
68	0
69	0
70	71
71	0
72	73
73	0
74	0
75	0
76	0