A145215 - cp's OEIS frontend

A145215 a(n) is the minimal prime of the form 4k+1 for which s=A008784(n) is the minimal positive integer such that sa(n)-floor(sqrt(sa(n)))^2 is a square.

n	a(n)
1	5
2	41
3	353
4	1237
5	2749
6	3037
7	10369
8	6569
9	27253
10	38561
11	14897
12	33289
13	27917
14	171629
15	143513
16	76081
17	37649
18	373273
19	399181
20	63029
21	133157
22	637601
23	425197
24	94261
25	499321
26	910853
27	229849
28	149837

[5, 41, 353, 1237, 2749, 3037, 10369, 6569, 27253, 38561, 14897, 33289, 27917, 171629, 143513, 76081, 37649, 373273, 399181, 63029, 133157, 637601, 425197, 94261, 499321, 910853, 229849, 149837]

cp's OEIS Frontend

A145215 a(n) is the minimal prime of the form 4k+1 for which s=A008784(n) is the minimal positive integer such that sa(n)-floor(sqrt(sa(n)))^2 is a square.

Table of values

List of values

cp's OEIS Frontend

A145215 a(n) is the minimal prime of the form 4k+1 for which s=A008784(n) is the minimal positive integer such that s*a(n)-floor(sqrt(s*a(n)))^2 is a square.

Table of values

List of values

A145215 a(n) is the minimal prime of the form 4k+1 for which s=A008784(n) is the minimal positive integer such that sa(n)-floor(sqrt(sa(n)))^2 is a square.