Semiprimes k=p*q such that the polynomial (1+x)^k (mod k) has p+q nonzero terms.

Terms

a(0) =6a(1) =14a(2) =15a(3) =51a(4) =62a(5) =91a(6) =95a(7) =159a(8) =254a(9) =287a(10) =473a(11) =679a(12) =703a(13) =1139a(14) =1199a(15) =1339a(16) =1717a(17) =1891a(18) =2051a(19) =2147a(20) =2495a(21) =2651a(22) =2701a(23) =2869a(24) =3151a(25) =4313a(26) =4381a(27) =4607a(28) =5017a(29) =5267