Lesser of two consecutive primes, p < q, such that both p*q+p-q and p*q-p+q are prime numbers.

Terms

a(0) =2a(1) =3a(2) =23a(3) =503a(4) =991a(5) =1381a(6) =1621a(7) =3301a(8) =4211a(9) =5471a(10) =5683a(11) =6563a(12) =6581a(13) =7351a(14) =7369a(15) =7829a(16) =8179a(17) =8849a(18) =10061a(19) =11299a(20) =11789a(21) =13841a(22) =14389a(23) =15823a(24) =16981a(25) =17839a(26) =18199a(27) =20563a(28) =21089a(29) =24151