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A073416 Harmless numbers: numbers without a, h, m or r. 0


%S 1,2,5,6,7,8,9,10,11,12,15,16,17,18,19,20,29,50,51,52,55,56,57,58,59,

%T 60,61,62,65,66,67,68,69,70,71,72,75,76,77,78,79,80,81,82,85,86,87,88,

%U 89,90,91,92,95,96,97,98,99,1000000000,1000000001,1000000002

%N Harmless numbers: numbers without a, h, m or r.

%C These number differ from A039135 (numbers with same number of 3's and 4's) only in the 17th term and from A072957 (urban numbers without r or u) in the 64th term.

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

%e a(3) = 5 because 5 is the third integer without an a, h, m or r.

%Y Cf. A039135, A072957.

%K easy,nonn,word

%O 1,2

%A _Michael Joseph Halm_, Aug 23 2002

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Last modified October 20 22:44 EDT 2019. Contains 328291 sequences. (Running on oeis4.)