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Smallest number made up of n consecutive digits such that every k-digit substring (k <= n) taken from the left is divisible by k (k=1..n).
1

%I #9 Dec 23 2015 02:34:46

%S 1,10,102,3452,24365,123654,7836542,38165472,381654720,3816547290

%N Smallest number made up of n consecutive digits such that every k-digit substring (k <= n) taken from the left is divisible by k (k=1..n).

%e 123654, for instance, is in the sequence because 1|1, 2|12, 3|123, 4|1236, 5|12365, 6|123654.

%Y Cf. A158242.

%K nonn,base,fini,full

%O 1,2

%A _Lekraj Beedassy_, Mar 14 2009

%E a(4), a(5), a(7), a(9) corrected by _Ray Chandler_, Mar 21 2009