A071344 - cp's OEIS frontend

A071344 a(n) = greatest positive r <= n, such that the origin-centered sphere of radius sqrt(r) touches A071342(n) lattice points.

n	a(n)
1	1
2	2
3	9
4	14
5	21
6	29
7	41
8	62
9	74
10	89
11	101
12	134
13	161
14	194
15	209
16	230
17	269
18	314
19	341
20	374
21	425
22	446
23	521
24	569
25	614
26	629
27	689
28	761
29	794
30	866
31	941
32	941
33	941
34	1154
35	1154
36	1286
37	1361
38	1361
39	1454
40	1454
41	1634
42	1634
43	1781
44	1889
45	1889
46	2054
47	2141
48	2246
49	2246

[1, 2, 9, 14, 21, 29, 41, 62, 74, 89, 101, 134, 161, 194, 209, 230, 269, 314, 341, 374, 425, 446, 521, 569, 614, 629, 689, 761, 794, 866, 941, 941, 941, 1154, 1154, 1286, 1361, 1361, 1454, 1454, 1634, 1634, 1781, 1889, 1889, 2054, 2141, 2246, 2246]

cp's OEIS Frontend

A071344 a(n) = greatest positive r <= n, such that the origin-centered sphere of radius sqrt(r) touches A071342(n) lattice points.

Table of values

List of values