%I A022474
%S A022474 0,0,0,1,1,1,2,3,3,6,7,7,11,15,14,24,30,38,48,73,83,114,155,191,251,
%T A022474 336,426,560
%N A022474 Number of 3's in n-th term of A022470.
%Y A022474 Sequence in context: A159685 A117670 A025499 this_sequence A028249 A121833 
               A091606
%Y A022474 Adjacent sequences: A022471 A022472 A022473 this_sequence A022475 A022476 
               A022477
%K A022474 nonn
%O A022474 1,7
%A A022474 Clark Kimberling (ck6(AT)evansville.edu)