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The third, sixth, tenth, fifteenth, ... letters in this sentence are vowels (ignoring spaces and commas).
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%I #4 Oct 19 2017 03:14:11

%S 3,6,10,15,20,23,24,30,33,34,39,42,45,50,53,55,56,62,65,66,71,74,77,

%T 82,85,87,88,94,97,99,104,107,109,111,115,118,120,125,128,129,133,136,

%U 139,143,146,148,153,156,158,163,166,168,170,174,177,179,184,187,189,194

%N The third, sixth, tenth, fifteenth, ... letters in this sentence are vowels (ignoring spaces and commas).

%C The third, sixth, tenth, fifteenth, twentieth, twenty-third, twenty-fourth, thirtieth, thirty-third, thirty-fourth, thirty-ninth, forty-second, forty-fifth, fiftieth, fifty-third, fifty-fifth, fifty-sixth, sixty-second, sixty-fifth, sixty-sixth, seventy-first, seventy-fourth, ... letters in this sentence are vowels. - _Don Reble_, Apr 01 2003

%Y Cf. Aronson's sequence A005224, A080517-A080520, A050481.

%K nonn,easy,word

%O 1,1

%A _N. J. A. Sloane_, based on a suggestion of Benoit Cloitre, Mar 31 2003

%E More terms from _Don Reble_, Apr 01 2003