A231253 Terms of A227891 of the form (p*q)^2, where p <= q are odious primes (A027697).

582169, 797449, 1874161, 1934881, 2007889, 2181529, 3024121, 3171961, 4879681, 5387041, 6775609, 9174841, 11771761, 16072081, 18653761, 19070689, 20894041, 22762441, 25694761, 26635921, 29953729, 31214569, 33166081, 40081561, 42081169, 45873529, 48177481, 49463089, 50367409

Offset: 1

Author

Vladimir Shevelev and Peter J. C. Moses, Nov 06 2013

Keywords

• nonn
• base

Comments

a(1) = 582169 is the smallest term > 1 of A227891 which does not have an evil prime divisor.

The sequence lists numbers of the form (p*q)^2 such that either q > p are both odious primes and among the numbers {p^2, p*q, q^2, p^2*q, q^2*p} there is exactly one odious, or q=p is an odious prime, while p^2 and p^3 are both evil.

Crossrefs

Cf. A000069, A001969, A027697, A227891.