A147693 - cp's OEIS frontend

A147693 Irregular triangle read by rows: T(n, k) = n mod prime(k), n >= 2, 1 <= k <= PrimePi(n), where PrimePi(n) = A000720(n).

n	a(n)
2	0
3	1
4	0
5	0
6	1
7	1
8	2
9	0
10	0
11	0
12	1
13	1
14	1
15	2
16	0
17	0
18	2
19	3
20	1
21	1
22	0
23	4
24	2
25	0
26	1
27	0
28	3
29	1
30	2
31	1
32	4
33	0
34	0
35	0
36	2
37	5
38	1
39	1
40	1
41	3
42	6
43	2
44	0
45	0
46	2
47	4
48	0
49	3
50	1
51	1
52	0
53	0
54	1
55	4
56	2
57	0
58	1
59	1
60	2
61	5
62	3
63	1
64	2
65	2
66	3
67	6
68	4
69	0
70	0
71	0
72	3
73	4
74	7
75	5
76	1
77	1
78	1
79	4
80	5
81	8
82	6
83	2
84	0
85	0
86	2
87	0
88	6
89	9
90	7
91	3
92	1
93	1
94	0
95	1
96	0
97	10
98	8
99	4
100	2

[0, 1, 0, 0, 1, 1, 2, 0, 0, 0, 1, 1, 1, 2, 0, 0, 2, 3, 1, 1, 0, 4, 2, 0, 1, 0, 3, 1, 2, 1, 4, 0, 0, 0, 2, 5, 1, 1, 1, 3, 6, 2, 0, 0, 2, 4, 0, 3, 1, 1, 0, 0, 1, 4, 2, 0, 1, 1, 2, 5, 3, 1, 2, 2, 3, 6, 4, 0, 0, 0, 3, 4, 7, 5, 1, 1, 1, 4, 5, 8, 6, 2, 0, 0, 2, 0, 6, 9, 7, 3, 1, 1, 0, 1, 0, 10, 8, 4, 2]

cp's OEIS Frontend

A147693 Irregular triangle read by rows: T(n, k) = n mod prime(k), n >= 2, 1 <= k <= PrimePi(n), where PrimePi(n) = A000720(n).

Table of values

List of values

n	a(n)
2	0
3	1
4	0
5	0
6	1
7	1
8	2
9	0
10	0
11	0
12	1
13	1
14	1
15	2
16	0
17	0
18	2
19	3
20	1
21	1
22	0
23	4
24	2
25	0
26	1
27	0
28	3
29	1
30	2
31	1
32	4
33	0
34	0
35	0
36	2
37	5
38	1
39	1
40	1
41	3
42	6
43	2
44	0
45	0
46	2
47	4
48	0
49	3
50	1
51	1
52	0
53	0
54	1
55	4
56	2
57	0
58	1
59	1
60	2
61	5
62	3
63	1
64	2
65	2
66	3
67	6
68	4
69	0
70	0
71	0
72	3
73	4
74	7
75	5
76	1
77	1
78	1
79	4
80	5
81	8
82	6
83	2
84	0
85	0
86	2
87	0
88	6
89	9
90	7
91	3
92	1
93	1
94	0
95	1
96	0
97	10
98	8
99	4
100	2

n	a(n)
2	0
3	1
4	0
5	0
6	1
7	1
8	2
9	0
10	0
11	0
12	1
13	1
14	1
15	2
16	0
17	0
18	2
19	3
20	1
21	1
22	0
23	4
24	2
25	0
26	1
27	0
28	3
29	1
30	2
31	1
32	4
33	0
34	0
35	0
36	2
37	5
38	1
39	1
40	1
41	3
42	6
43	2
44	0
45	0
46	2
47	4
48	0
49	3
50	1
51	1
52	0
53	0
54	1
55	4
56	2
57	0
58	1
59	1
60	2
61	5
62	3
63	1
64	2
65	2
66	3
67	6
68	4
69	0
70	0
71	0
72	3
73	4
74	7
75	5
76	1
77	1
78	1
79	4
80	5
81	8
82	6
83	2
84	0
85	0
86	2
87	0
88	6
89	9
90	7
91	3
92	1
93	1
94	0
95	1
96	0
97	10
98	8
99	4
100	2

n	a(n)
2	0
3	1
4	0
5	0
6	1
7	1
8	2
9	0
10	0
11	0
12	1
13	1
14	1
15	2
16	0
17	0
18	2
19	3
20	1
21	1
22	0
23	4
24	2
25	0
26	1
27	0
28	3
29	1
30	2
31	1
32	4
33	0
34	0
35	0
36	2
37	5
38	1
39	1
40	1
41	3
42	6
43	2
44	0
45	0
46	2
47	4
48	0
49	3
50	1
51	1
52	0
53	0
54	1
55	4
56	2
57	0
58	1
59	1
60	2
61	5
62	3
63	1
64	2
65	2
66	3
67	6
68	4
69	0
70	0
71	0
72	3
73	4
74	7
75	5
76	1
77	1
78	1
79	4
80	5
81	8
82	6
83	2
84	0
85	0
86	2
87	0
88	6
89	9
90	7
91	3
92	1
93	1
94	0
95	1
96	0
97	10
98	8
99	4
100	2