This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A249443 #23 Oct 14 2019 06:49:40
%S A249443 0,1,2,3,4,5,6,7,8,9,22,23,24,25,26,27,28,29,33,34,35,36,37,38,39,44,
%T A249443 45,46,47,48,49,55,56,57,58,59,66,67,68,69,77,78,79,88,89,99,123,124,
%U A249443 125,126,127,128,129,133,134,135,136,137,138,139,144,145,146,147,148,149,155,156,157,158
%N A249443 Numbers with digits in nondecreasing order and digital sum not larger than the product of the digits.
%C A249443 Intersection of A009994 and A062998.
%C A249443 Except for the initial 0, a subsequence of the zeroless numbers A052382.
%C A249443 The nonzero terms of this sequence correspond to a term of A061672 obtained by concatenation with A002275(A007954(a(n))-A007953(a(n))).
%o A249443 (PARI) is(n)={vecsort(n=digits(n))==n && normlp(n,1)<=prod(i=1,#n,n[i])}
%Y A249443 Cf. A007953, A007954, A034710, A061672, A249334.
%K A249443 nonn,base
%O A249443 1,3
%A A249443 _M. F. Hasler_, Oct 29 2014