cp's OEIS Frontend

A280732 Numbers whose digit string can be partitioned into three nonempty parts a <= b <= c such that a*b = c.

%I A280732 #16 Jan 11 2017 08:54:45
%S A280732 111,122,133,144,155,166,177,188,199,224,236,248,339,2510,2612,2714,
%T A280732 2816,2918,3412,3515,3618,3721,3824,3927,4416,4520,4624,4728,4832,
%U A280732 4936,5525,5630,5735,5840,5945,6636,6742,6848,6954,7749,7856,7963,8864,8972,9981
%N A280732 Numbers whose digit string can be partitioned into three nonempty parts a <= b <= c such that a*b = c.
%C A280732 The parts may not start with 0.
%H A280732 Lars Blomberg, <a href="/A280732/b280732.txt">Table of n, a(n) for n = 1..10000</a>
%e A280732 For n = 2|4|8: 2 <= 4 <= 8, and 2*4=8, so 248 is a term.
%e A280732 For n = 5|9|45: 5 <= 9 <= 45, and 5*9=45, so 5945 is a term.
%Y A280732 A subset of A280635. Cf. also A280733.
%K A280732 nonn,base,easy
%O A280732 1,1
%A A280732 _N. J. A. Sloane_, Jan 10 2017
%E A280732 More terms from _Lars Blomberg_, Jan 11 2017