a(n) is the smallest composite number having the same base-n digits (both type and quantity) as the primes and greater-than-one exponents in its factorization.
A281335
a(n) is the smallest composite number having the same base-n digits (both type and quantity) as the primes and greater-than-one exponents in its factorization.
Terms
- a(0) =25a(1) =16a(2) =25a(3) =2312a(4) =16a(5) =7136a(6) =27a(7) =72646a(8) =25a(9) =4617a(10) =169a(11) =384a(12) =4119a(13) =3875a(14) =289a(15) =182585a(16) =128a(17) =556875a(18) =451a(19) =49a(20) =529a(21) =1012985a(22) =679a(23) =72420352a(24) =42752a(25) =585903a(26) =841a(27) =64a(28) =961a(29) =118375
External references
- oeis: A281335