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 A004179 Omit 4's from n. 3
 0, 1, 2, 3, 0, 5, 6, 7, 8, 9, 10, 11, 12, 13, 1, 15, 16, 17, 18, 19, 20, 21, 22, 23, 2, 25, 26, 27, 28, 29, 30, 31, 32, 33, 3, 35, 36, 37, 38, 39, 0, 1, 2, 3, 0, 5, 6, 7, 8, 9, 50, 51, 52, 53, 5, 55, 56, 57, 58, 59, 60, 61, 62, 63, 6, 65, 66, 67, 68, 69, 70, 71, 72, 73, 7 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Marius A. Burtea, Table of n, a(n) for n = 0..10000 MATHEMATICA Table[FromDigits[DeleteCases[IntegerDigits[n], 4]], {n, 0, 100}] (* Vincenzo Librandi, May 22 2019 *) PROG (PARI) a(n)=subst(Pol(select(k->k-4, digits(n))), 'x, 10) \\ Charles R Greathouse IV, Oct 16 2012 (MATLAB) for u=0:100 ; v=dec2base(u, 10)-'0'; v = v(v~=4);   if length(v)>0; sol(u+1)=(str2num(strrep(num2str(v), ' ', ''))); else; sol(u+1)=0; end; end; sol % Marius A. Burtea, May 20 2019 CROSSREFS Sequence in context: A322953 A049268 A291305 * A324640 A122830 A321296 Adjacent sequences:  A004176 A004177 A004178 * A004180 A004181 A004182 KEYWORD nonn,base,easy AUTHOR STATUS approved

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Last modified May 5 22:32 EDT 2021. Contains 343578 sequences. (Running on oeis4.)