Least number N such that the product n*N has the same digits as the concatenation (n,N) (counting repetitions), or 0 if no such number exists.
A266578
Least number N such that the product n*N has the same digits as the concatenation (n,N) (counting repetitions), or 0 if no such number exists.
Terms
- a(0) =0a(1) =8714a(2) =51a(3) =0a(4) =251a(5) =21a(6) =0a(7) =86a(8) =351a(9) =0a(10) =9209a(11) =86073a(12) =0a(13) =926a(14) =93a(15) =0a(16) =9635a(17) =6012a(18) =0a(19) =8714a(20) =6a(21) =0a(22) =9017a(23) =651a(24) =0a(25) =401a(26) =81a(27) =0a(28) =3701a(29) =51
External references
- oeis: A266578