This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A062532 #21 Aug 01 2024 01:29:07 %S A062532 1,81,225,441,625,729,1089,1225,1521,2025,2401,2601,3025,3249,3969, %T A062532 4225,4761,5625,5929,6561,7225,7569,8281,8649,9025,9801,11025,12321, %U A062532 13225,13689,14161,14641,15129,15625,16641,17689,18225,19881,20449 %N A062532 Odd nonprimes squared, or A014076(n)^2. %H A062532 Harry J. Smith, <a href="/A062532/b062532.txt">Table of n, a(n) for n = 1..1000</a> %t A062532 With[{nn=500},Complement[Range[1,nn,2],Prime[Range[PrimePi[nn]]]]^2] (* _Harvey P. Dale_, Nov 12 2012 *) %o A062532 (PARI) je=[]; forstep(n=1,301,2, if(isprime(n), n+1,je=concat(je,n^2))); je %o A062532 (PARI) { n=0; forstep (m=1, 10^9, 2, if(!isprime(m), write("b062532.txt", n++, " ", m^2); if (n==1000, break)) ) } \\ _Harry J. Smith_, Aug 08 2009 %o A062532 (Python) %o A062532 from sympy import primepi %o A062532 def A062532(n): %o A062532 if n == 1: return 1 %o A062532 m, k = n-1, primepi(n) + n - 1 + (n>>1) %o A062532 while m != k: %o A062532 m, k = k, primepi(k) + n - 1 + (k>>1) %o A062532 return m**2 # _Chai Wah Wu_, Jul 31 2024 %Y A062532 Cf. A014076. %K A062532 easy,nonn %O A062532 1,2 %A A062532 _Jason Earls_, Jul 10 2001