Positive integers a(n) such that number of digits in decimal expansion of a(n)^a(n) is divisible by a(n).

A256162

Positive integers a(n) such that number of digits in decimal expansion of a(n)^a(n) is divisible by a(n).

Terms

    a(0) =1a(1) =8a(2) =9a(3) =98a(4) =99a(5) =998a(6) =999a(7) =9998a(8) =9999a(9) =99998a(10) =99999a(11) =999998a(12) =999999a(13) =9999998a(14) =9999999a(15) =99999998a(16) =99999999a(17) =999999998a(18) =999999999a(19) =9999999998a(20) =9999999999a(21) =99999999998a(22) =99999999999a(23) =999999999998a(24) =999999999999

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