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A035933 Smallest number that takes n steps to reach 0 under "k->min product of 2 numbers whose concatenation is k". 2

%I #13 Jul 06 2019 14:26:16

%S 0,1,11,26,39,77,177,359,977,1977,3659,13659,28879,128879,289978,

%T 999663,4474997,14474997,39596964,139596964,389999999,1389999999,

%U 2899999999,12899999999,49999999986,149999999986,446874999996,1446874999996

%N Smallest number that takes n steps to reach 0 under "k->min product of 2 numbers whose concatenation is k".

%C a(28) > 4.4*10^12. - _Jon E. Schoenfield_, Jan 05 2009

%Y Cf. A035930-A035935.

%K nonn,base,nice

%O 0,3

%A _Erich Friedman_

%E More terms from _Naohiro Nomoto_, Apr 03 2001

%E a(18)-a(27) from _Jon E. Schoenfield_, Jan 05 2009

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Last modified March 29 08:59 EDT 2024. Contains 371268 sequences. (Running on oeis4.)