A106727 - cp's OEIS frontend

A106727 Triangle T(n,k) = (f(n+1)*f(k+1) mod 10), where f(j) = 10 - (prime(j+3) mod 10), read by rows.

n	a(n)
0	9
1	7
2	1
3	1
4	3
5	9
6	9
7	7
8	1
9	9
10	3
11	9
12	7
13	3
14	1
15	1
16	3
17	9
18	1
19	7
20	9
21	3
22	9
23	7
24	3
25	1
26	7
27	1
28	7
29	1
30	3
31	7
32	9
33	3
34	9
35	1
36	9
37	7
38	1
39	9
40	3
41	1
42	3
43	7
44	9
45	7
46	1
47	3
48	7
49	9
50	3
51	9
52	1
53	7
54	1
55	1
56	3
57	9
58	1
59	7
60	9
61	7
62	3
63	1
64	3
65	9
66	9
67	7
68	1
69	9
70	3
71	1
72	3
73	7
74	9
75	7
76	1
77	9
78	1
79	3
80	9
81	1
82	7
83	9
84	7
85	3
86	1
87	3
88	9
89	1
90	9

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

cp's OEIS Frontend

A106727 Triangle T(n,k) = (f(n+1)*f(k+1) mod 10), where f(j) = 10 - (prime(j+3) mod 10), read by rows.

Table of values

List of values

n	a(n)
0	9
1	7
2	1
3	1
4	3
5	9
6	9
7	7
8	1
9	9
10	3
11	9
12	7
13	3
14	1
15	1
16	3
17	9
18	1
19	7
20	9
21	3
22	9
23	7
24	3
25	1
26	7
27	1
28	7
29	1
30	3
31	7
32	9
33	3
34	9
35	1
36	9
37	7
38	1
39	9
40	3
41	1
42	3
43	7
44	9
45	7
46	1
47	3
48	7
49	9
50	3
51	9
52	1
53	7
54	1
55	1
56	3
57	9
58	1
59	7
60	9
61	7
62	3
63	1
64	3
65	9
66	9
67	7
68	1
69	9
70	3
71	1
72	3
73	7
74	9
75	7
76	1
77	9
78	1
79	3
80	9
81	1
82	7
83	9
84	7
85	3
86	1
87	3
88	9
89	1
90	9

n	a(n)
0	9
1	7
2	1
3	1
4	3
5	9
6	9
7	7
8	1
9	9
10	3
11	9
12	7
13	3
14	1
15	1
16	3
17	9
18	1
19	7
20	9
21	3
22	9
23	7
24	3
25	1
26	7
27	1
28	7
29	1
30	3
31	7
32	9
33	3
34	9
35	1
36	9
37	7
38	1
39	9
40	3
41	1
42	3
43	7
44	9
45	7
46	1
47	3
48	7
49	9
50	3
51	9
52	1
53	7
54	1
55	1
56	3
57	9
58	1
59	7
60	9
61	7
62	3
63	1
64	3
65	9
66	9
67	7
68	1
69	9
70	3
71	1
72	3
73	7
74	9
75	7
76	1
77	9
78	1
79	3
80	9
81	1
82	7
83	9
84	7
85	3
86	1
87	3
88	9
89	1
90	9

n	a(n)
0	9
1	7
2	1
3	1
4	3
5	9
6	9
7	7
8	1
9	9
10	3
11	9
12	7
13	3
14	1
15	1
16	3
17	9
18	1
19	7
20	9
21	3
22	9
23	7
24	3
25	1
26	7
27	1
28	7
29	1
30	3
31	7
32	9
33	3
34	9
35	1
36	9
37	7
38	1
39	9
40	3
41	1
42	3
43	7
44	9
45	7
46	1
47	3
48	7
49	9
50	3
51	9
52	1
53	7
54	1
55	1
56	3
57	9
58	1
59	7
60	9
61	7
62	3
63	1
64	3
65	9
66	9
67	7
68	1
69	9
70	3
71	1
72	3
73	7
74	9
75	7
76	1
77	9
78	1
79	3
80	9
81	1
82	7
83	9
84	7
85	3
86	1
87	3
88	9
89	1
90	9