A143548 - cp's OEIS frontend

A143548 Irregular triangle of numbers k < p^2 such that p^2 divides k^(p-1)-1, with p=prime(n).

n	a(n)
1	1
2	1
3	8
4	1
5	7
6	18
7	24
8	1
9	18
10	19
11	30
12	31
13	48
14	1
15	3
16	9
17	27
18	40
19	81
20	94
21	112
22	118
23	120
24	1
25	19
26	22
27	23
28	70
29	80
30	89
31	99
32	146
33	147
34	150
35	168
36	1
37	38
38	40
39	65
40	75
41	110
42	131
43	134
44	155
45	158
46	179
47	214
48	224
49	249
50	251
51	288
52	1
53	28
54	54
55	62
56	68
57	69
58	99
59	116
60	127
61	234
62	245
63	262
64	292
65	293
66	299
67	307
68	333
69	360

[1, 1, 8, 1, 7, 18, 24, 1, 18, 19, 30, 31, 48, 1, 3, 9, 27, 40, 81, 94, 112, 118, 120, 1, 19, 22, 23, 70, 80, 89, 99, 146, 147, 150, 168, 1, 38, 40, 65, 75, 110, 131, 134, 155, 158, 179, 214, 224, 249, 251, 288, 1, 28, 54, 62, 68, 69, 99, 116, 127, 234, 245, 262, 292, 293, 299, 307, 333, 360]

cp's OEIS Frontend

A143548 Irregular triangle of numbers k < p^2 such that p^2 divides k^(p-1)-1, with p=prime(n).

Table of values

List of values

n	a(n)
1	1
2	1
3	8
4	1
5	7
6	18
7	24
8	1
9	18
10	19
11	30
12	31
13	48
14	1
15	3
16	9
17	27
18	40
19	81
20	94
21	112
22	118
23	120
24	1
25	19
26	22
27	23
28	70
29	80
30	89
31	99
32	146
33	147
34	150
35	168
36	1
37	38
38	40
39	65
40	75
41	110
42	131
43	134
44	155
45	158
46	179
47	214
48	224
49	249
50	251
51	288
52	1
53	28
54	54
55	62
56	68
57	69
58	99
59	116
60	127
61	234
62	245
63	262
64	292
65	293
66	299
67	307
68	333
69	360

n	a(n)
1	1
2	1
3	8
4	1
5	7
6	18
7	24
8	1
9	18
10	19
11	30
12	31
13	48
14	1
15	3
16	9
17	27
18	40
19	81
20	94
21	112
22	118
23	120
24	1
25	19
26	22
27	23
28	70
29	80
30	89
31	99
32	146
33	147
34	150
35	168
36	1
37	38
38	40
39	65
40	75
41	110
42	131
43	134
44	155
45	158
46	179
47	214
48	224
49	249
50	251
51	288
52	1
53	28
54	54
55	62
56	68
57	69
58	99
59	116
60	127
61	234
62	245
63	262
64	292
65	293
66	299
67	307
68	333
69	360

n	a(n)
1	1
2	1
3	8
4	1
5	7
6	18
7	24
8	1
9	18
10	19
11	30
12	31
13	48
14	1
15	3
16	9
17	27
18	40
19	81
20	94
21	112
22	118
23	120
24	1
25	19
26	22
27	23
28	70
29	80
30	89
31	99
32	146
33	147
34	150
35	168
36	1
37	38
38	40
39	65
40	75
41	110
42	131
43	134
44	155
45	158
46	179
47	214
48	224
49	249
50	251
51	288
52	1
53	28
54	54
55	62
56	68
57	69
58	99
59	116
60	127
61	234
62	245
63	262
64	292
65	293
66	299
67	307
68	333
69	360