A255679 - cp's OEIS frontend

A255679 Least number k such that pi(kn)^2 = pi(in)^2 + pi(j*n)^2 for some 0 < i < j < k.

n	a(n)
1	4
2	6
3	4
4	12
5	6
6	17
7	17
8	6
9	11
10	6
11	13
12	14
13	4
14	10
15	31
16	35
17	10
18	8
19	20
20	20
21	70
22	20
23	34
24	23
25	47
26	17
27	44
28	25
29	5
30	46
31	4
32	26
33	53
34	13
35	29
36	33
37	35
38	45
39	65
40	10
41	18
42	64
43	117
44	21
45	77
46	19
47	71
48	101
49	44
50	80
51	28
52	93
53	36
54	183
55	100
56	98
57	55
58	4
59	53
60	81
61	31
62	120
63	58
64	40
65	53
66	56
67	34
68	49
69	181
70	218

[4, 6, 4, 12, 6, 17, 17, 6, 11, 6, 13, 14, 4, 10, 31, 35, 10, 8, 20, 20, 70, 20, 34, 23, 47, 17, 44, 25, 5, 46, 4, 26, 53, 13, 29, 33, 35, 45, 65, 10, 18, 64, 117, 21, 77, 19, 71, 101, 44, 80, 28, 93, 36, 183, 100, 98, 55, 4, 53, 81, 31, 120, 58, 40, 53, 56, 34, 49, 181, 218]

cp's OEIS Frontend

A255679 Least number k such that pi(kn)^2 = pi(in)^2 + pi(j*n)^2 for some 0 < i < j < k.

Table of values

List of values

n	a(n)
1	4
2	6
3	4
4	12
5	6
6	17
7	17
8	6
9	11
10	6
11	13
12	14
13	4
14	10
15	31
16	35
17	10
18	8
19	20
20	20
21	70
22	20
23	34
24	23
25	47
26	17
27	44
28	25
29	5
30	46
31	4
32	26
33	53
34	13
35	29
36	33
37	35
38	45
39	65
40	10
41	18
42	64
43	117
44	21
45	77
46	19
47	71
48	101
49	44
50	80
51	28
52	93
53	36
54	183
55	100
56	98
57	55
58	4
59	53
60	81
61	31
62	120
63	58
64	40
65	53
66	56
67	34
68	49
69	181
70	218

n	a(n)
1	4
2	6
3	4
4	12
5	6
6	17
7	17
8	6
9	11
10	6
11	13
12	14
13	4
14	10
15	31
16	35
17	10
18	8
19	20
20	20
21	70
22	20
23	34
24	23
25	47
26	17
27	44
28	25
29	5
30	46
31	4
32	26
33	53
34	13
35	29
36	33
37	35
38	45
39	65
40	10
41	18
42	64
43	117
44	21
45	77
46	19
47	71
48	101
49	44
50	80
51	28
52	93
53	36
54	183
55	100
56	98
57	55
58	4
59	53
60	81
61	31
62	120
63	58
64	40
65	53
66	56
67	34
68	49
69	181
70	218

cp's OEIS Frontend

A255679 Least number k such that pi(k*n)^2 = pi(i*n)^2 + pi(j*n)^2 for some 0 < i < j < k.

Table of values

List of values

A255679 Least number k such that pi(kn)^2 = pi(in)^2 + pi(j*n)^2 for some 0 < i < j < k.

n	a(n)
1	4
2	6
3	4
4	12
5	6
6	17
7	17
8	6
9	11
10	6
11	13
12	14
13	4
14	10
15	31
16	35
17	10
18	8
19	20
20	20
21	70
22	20
23	34
24	23
25	47
26	17
27	44
28	25
29	5
30	46
31	4
32	26
33	53
34	13
35	29
36	33
37	35
38	45
39	65
40	10
41	18
42	64
43	117
44	21
45	77
46	19
47	71
48	101
49	44
50	80
51	28
52	93
53	36
54	183
55	100
56	98
57	55
58	4
59	53
60	81
61	31
62	120
63	58
64	40
65	53
66	56
67	34
68	49
69	181
70	218