A220490 The largest n-digit number whose last k digits are divisible by k for k = 1..n.

9, 98, 996, 9996, 99960, 999960, 9999780, 99999360, 999999360, 9999999360, 99999951480

Offset: 1

Author

Shyam Sunder Gupta, Aug 07 2013

Keywords

• nonn
• base

Examples

			There are ten one-digit numbers divisible by 1 and the largest is 9 so a(1)=9.
For two-digit numbers, the ones digit must make it divisible by 2, which gives 98 as the largest to satisfy the requirement. So a(2)=98.
		

Crossrefs

Cf. A164836.