A007511 - cp's OEIS frontend

A007511 a(n) is the smallest number greater than a(n-1) that is expressible as the sum of two squares in more ways than a(n-1).

n	a(n)
1	2
2	50
3	325
4	1105
5	5525
6	27625
7	71825
8	138125
9	160225
10	801125
11	2082925
12	4005625
13	5928325
14	29641625
15	77068225
16	148208125
17	243061325
18	1215306625
19	3159797225
20	6076533125
21	12882250225
22	53716552825
23	64411251125
24	167469252925
25	322056255625
26	785817263725

[2, 50, 325, 1105, 5525, 27625, 71825, 138125, 160225, 801125, 2082925, 4005625, 5928325, 29641625, 77068225, 148208125, 243061325, 1215306625, 3159797225, 6076533125, 12882250225, 53716552825, 64411251125, 167469252925, 322056255625, 785817263725]

cp's OEIS Frontend

A007511 a(n) is the smallest number greater than a(n-1) that is expressible as the sum of two squares in more ways than a(n-1).

Table of values

List of values