A254307 - cp's OEIS frontend

A254307 Least k such that there are n positive integers, all less than or equal to k, such that the sum of the reciprocals of their squares equals 1.

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

[6, 4, 6, 3, 4, 6, 6, 4, 6, 6, 4, 6, 6, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 8, 6, 6, 8, 6, 8, 8, 6, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 8, 8, 8, 9, 8, 8, 9, 8, 8, 9, 9, 8, 9, 9, 8, 9, 9, 9, 9, 10, 9, 9, 10, 9, 10, 10, 9]

cp's OEIS Frontend

A254307 Least k such that there are n positive integers, all less than or equal to k, such that the sum of the reciprocals of their squares equals 1.

Table of values

List of values

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

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

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