Numbers k that are the representation of primes in base 4 and in base 5.

Terms

a(0) =2a(1) =3a(2) =23a(3) =131a(4) =133a(5) =221a(6) =1211a(7) =1231a(8) =2023a(9) =2111a(10) =2113a(11) =2311a(12) =3013a(13) =3211a(14) =3233a(15) =3323a(16) =10031a(17) =10033a(18) =10121a(19) =12011a(20) =12121a(21) =13223a(22) =13331a(23) =20131a(24) =20203a(25) =22111a(26) =23233a(27) =31313a(28) =32033a(29) =32303