Least number k such that the concatenation of n consecutive numbers from k to k+n-1 is divisible by their sum.

A375728

Least number k such that the concatenation of n consecutive numbers from k to k+n-1 is divisible by their sum.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =3a(4) =1a(5) =5a(6) =186a(7) =13a(8) =4a(9) =6a(10) =10a(11) =5a(12) =60a(13) =7a(14) =6a(15) =249a(16) =200a(17) =158a(18) =810a(19) =1051a(20) =12a(21) =21a(22) =4972a(23) =325a(24) =326a(25) =100a(26) =20a(27) =27a(28) =948a(29) =32776

External references