A280733 - OEIS

%I #11 Jan 11 2017 11:50:18

%S 122,133,144,155,166,177,188,199,236,248,2510,2612,2714,2816,2918,

%T 3412,3515,3618,3721,3824,3927,4520,4624,4728,4832,4936,5630,5735,

%U 5840,5945,6742,6848,6954,7856,7963,8972,11010,11111,11212,11313,11414,11515,11616,11717

%N Numbers whose digit string can be partitioned into three nonempty parts a < b <= c such that a*b = c.

%C The parts may not start with 0.

%H Lars Blomberg, <a href="/A280733/b280733.txt">Table of n, a(n) for n = 1..10000</a>

%e For n = 3|4|12: 3 < 4 <= 12, and 3*4=12, so 3412 is a term.

%e For n = 1|10|10: 1 < 10 <= 10, and 1*10=10, so 11010 is a term.

%Y A subset of A280635 and A280732.

%K nonn,base,easy

%O 1,1

%A _N. J. A. Sloane_, Jan 10 2017

%E More terms from _Lars Blomberg_, Jan 11 2017