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 A028890 #16 Jul 08 2025 18:54:39 %S A028890 1,2,3,5,8,11,12,13,15,18,21,24,31,37,42,51,73,81,111,112,113,115,118, %T A028890 121,124,131,137,142,151,173,181,211,214,222,241,289,298,311,317,368, %U A028890 371,386,412,421,449,466,494,511,638,646,664,683,713,731,811,829,836 %N A028890 Product of digits of n is a nonzero Fibonacci number. %C A028890 Numbers n whose product of digits is 1, 2, 3, 5, 8, 21, or 144 (these being the only 7-smooth Fibonacci numbers). - _Robert Israel_, Jan 26 2020 %H A028890 Robert Israel, <a href="/A028890/b028890.txt">Table of n, a(n) for n = 1..10000</a> %p A028890 select(t -> member(convert(convert(t,base,10),`*`),[1, 2, 3, 5, 8, 21, 144]),[$1..999]); # _Robert Israel_, Jan 26 2020 %Y A028890 Cf. A007954, A028891, A028840. %K A028890 nonn,base,easy %O A028890 1,2 %A A028890 _N. J. A. Sloane_ %E A028890 More terms from _Erich Friedman_. %E A028890 Name clarified and offset changed by _Robert Israel_, Jan 26 2020