A072958 - OEIS

%I #15 May 09 2020 09:12:56

%S 0,1,2,3,4,7,10,14,17,20,21,22,23,24,27,40,41,42,43,44,47,70,71,72,73,

%T 74,77,100,101,102,103,104,107,110,114,117,120,121,122,123,124,127,

%U 140,141,142,143,144,147,170,171,172,173,174,177,200,201,202,203,204,207

%N Caliban numbers: without letters a, c, i, or l.

%D M. J. Halm, Sequences (Re)discovered, Mpossibilities 81 (Aug. 2002).

%H Georg Fischer, <a href="/A072958/b072958.txt">Table of n, a(n) for n = 1..162</a>

%t Reap[Do[If[StringFreeQ[IntegerName@ i, {"a", "c", "i", "l"}], Sow@ i], {i, 0, 10^3}]][[-1, 1]] (* _Michael De Vlieger_, Mar 10 2020 *)

%Y Cf. A072954.

%K easy,fini,full,nonn,word

%O 1,3

%A _Michael Joseph Halm_, Aug 13 2002

%E 0 inserted by _Georg Fischer_, Mar 10 2020