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A263951 Square numbers in A070552. 3

%I

%S 9,25,121,361,841,3481,3721,5041,6241,10201,17161,19321,32761,39601,

%T 73441,121801,143641,167281,201601,212521,271441,323761,326041,398161,

%U 410881,436921,546121,564001,674041,776161,863041,982081,1062961,1079521,1104601,1142761,1190281,1274641,1324801

%N Square numbers in A070552.

%C All terms are == 1 mod 8. For n>2, a(n) == 1 mod 120.

%H Seiichi Manyama, <a href="/A263951/b263951.txt">Table of n, a(n) for n = 1..10000</a>

%F a(n) = A048161(n)^2.

%o (PARI) forprime(p=3, 2000, if(isprime((p^2+1)/2), print1(p^2, ", "))) \\ _Altug Alkan_, Oct 30 2015

%Y Subsequence of A070552.

%Y Cf. A048161, A263990.

%K nonn

%O 1,1

%A _Zak Seidov_, Oct 30 2015

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Last modified June 17 19:10 EDT 2019. Contains 324198 sequences. (Running on oeis4.)