Minimum number k for which the digital sum of k*n is 7*n.
A147827
Minimum number k for which the digital sum of k*n is 7*n.
Terms
- a(0) =0a(1) =7a(2) =34a(3) =133a(4) =997a(5) =7999a(6) =13333a(7) =85714a(8) =749986a(9) =1111111a(10) =79999999a(11) =79090909a(12) =499999999a(13) =2923076923a(14) =14285642857a(15) =133333333333a(16) =499999999993
External references
- oeis: A147827