|
%I #7 Dec 18 2021 23:31:18
%S 0,1,1,1,3,3,5,5,7,9,9,11,13,13,15,17,19,19,21,23,23,25,27,29,31,33,
%T 33,35,35,37,41,43,45,45,49,49,51,53,55,57,59,59,63,63,65,65,69,73,75,
%U 75,77,79,79,83,85,87,89,89,91,93,93,97,101,103,103,105,109,111,115,115,117
%N Number of 3's in A157733(n).
%C Odd numbers missing in the sequence: 39, 47, 61, 67, 71, 81, 95, 99, 107, 113, 137, 141 etc.
%C The numbers above are essentially 2*A060461(n) - 1. - _Mikhail Kurkov_, Dec 18 2021
%Y Cf. A060461.
%K nonn
%O 0,5
%A _Paul Curtz_, Mar 10 2009
%E Edited and extended by _R. J. Mathar_, Mar 15 2009
|
