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a(1) = 1; thereafter a(n+1) is the smallest integer > a(n) having a(n) digits.

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`%I #7 Jun 20 2017 13:18:42
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`%S 1,2,10,1000000000
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`%N a(1) = 1; thereafter a(n+1) is the smallest integer > a(n) having a(n) digits.
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`%C The next term is too large to include.
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`%Y A variation on A252707.
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`%K nonn
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`%O 1,2
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`%A _Benoit Cloitre_, Jun 18 2017
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