A177226 - cp's OEIS frontend

A177226 Triangle read by rows: T(n, k) = 2^(prime(n) - prime(k)) mod prime(n), 1 <= k <= n.

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

[1, 2, 1, 3, 4, 1, 4, 2, 4, 1, 6, 3, 9, 5, 1, 7, 10, 9, 12, 4, 1, 9, 13, 16, 4, 13, 16, 1, 10, 5, 6, 11, 9, 7, 4, 1, 12, 6, 13, 9, 2, 12, 18, 16, 1, 15, 22, 20, 5, 13, 25, 7, 9, 6, 1, 16, 8, 2, 16, 1, 8, 16, 4, 8, 4, 1, 19, 28, 7, 11, 3, 10, 33, 36, 30, 34, 27, 1, 21, 31, 18, 25, 40, 10, 16, 4, 31, 37, 40, 16, 1]

cp's OEIS Frontend

A177226 Triangle read by rows: T(n, k) = 2^(prime(n) - prime(k)) mod prime(n), 1 <= k <= n.

Table of values

List of values

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

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

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