a(n) is the least number such that k = n*a(n) has sum of digits n and ends with the digit string n, or 0 if no such number exists.
A175690
a(n) is the least number such that k = n*a(n) has sum of digits n and ends with the digit string n, or 0 if no such number exists.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =1a(8) =1a(9) =91a(10) =0a(11) =76a(12) =901a(13) =451a(14) =61a(15) =226a(16) =901a(17) =51a(18) =901a(19) =496a(20) =901a(21) =451a(22) =3601a(23) =826a(24) =397a(25) =1801a(26) =701a(27) =676a(28) =2701a(29) =3331
External references
- oeis: A175690