A357302 - cp's OEIS frontend

A357302 Numbers k such that k^2 can be represented as x^2 + x*y + y^2 in more ways than for any smaller k.

n	a(n)
1	1
2	7
3	49
4	91
5	637
6	1729
7	12103
8	53599
9	375193
10	1983163
11	13882141
12	85276009
13	596932063
14	4178524441
15	5201836549
16	36412855843
17	254889990901
18	348523048783
19	2439661341481
20	17077629390367
21	25442182561159
22	178095277928113
23	1246666945496791
24	2009932422331561
25	14069526956320927

[1, 7, 49, 91, 637, 1729, 12103, 53599, 375193, 1983163, 13882141, 85276009, 596932063, 4178524441, 5201836549, 36412855843, 254889990901, 348523048783, 2439661341481, 17077629390367, 25442182561159, 178095277928113, 1246666945496791, 2009932422331561, 14069526956320927]

cp's OEIS Frontend

A357302 Numbers k such that k^2 can be represented as x^2 + x*y + y^2 in more ways than for any smaller k.

Table of values

List of values