Primes using all the prime digits 2, 3, 5, 7 repeated in strings, in that order.
A156987
Primes using all the prime digits 2, 3, 5, 7 repeated in strings, in that order.
Terms
- a(0) =2357a(1) =23357a(2) =23557a(3) =223577a(4) =233357a(5) =233557a(6) =235577a(7) =2235557a(8) =2335577a(9) =2355557a(10) =22223557a(11) =22233577a(12) =22333357a(13) =22335557a(14) =22355777a(15) =23333357a(16) =222223357a(17) =222233357a(18) =222235777a(19) =222333557a(20) =222355577a(21) =223335577a(22) =223577777a(23) =233357777
External references
- oeis: A156987