A261529 - cp's OEIS frontend

A261529 Number k such that k^2 + 1 = pqr where p,q,r are distinct primes and the sum p+q+r is a perfect square.

n	a(n)
1	17
2	37
3	91
4	235
5	683
6	1423
7	1675
8	2879
9	8101
10	9595
11	13711
12	18799
13	19601
14	21295
15	25937
16	30059
17	32111
18	36251
19	39505
20	41071
21	49285
22	60719
23	79441
24	90575
25	93871
26	94799
27	103429
28	112571
29	132085
30	136075
31	144965
32	180001
33	180251
34	188465
35	189679

[17, 37, 91, 235, 683, 1423, 1675, 2879, 8101, 9595, 13711, 18799, 19601, 21295, 25937, 30059, 32111, 36251, 39505, 41071, 49285, 60719, 79441, 90575, 93871, 94799, 103429, 112571, 132085, 136075, 144965, 180001, 180251, 188465, 189679]

cp's OEIS Frontend

A261529 Number k such that k^2 + 1 = pqr where p,q,r are distinct primes and the sum p+q+r is a perfect square.

Table of values

List of values

cp's OEIS Frontend

A261529 Number k such that k^2 + 1 = p*q*r where p,q,r are distinct primes and the sum p+q+r is a perfect square.

Table of values

List of values

A261529 Number k such that k^2 + 1 = pqr where p,q,r are distinct primes and the sum p+q+r is a perfect square.