%I #17 Apr 12 2022 11:33:14
%S 0,0,0,0,1,0,0,0,0,1,1,0,0,1,1,1,1,0,1,1,0,0,1,0,0,0,0,1,1,1,1,2,1,1,
%T 1,0,1,1,0,0,1,1,1,1,1,2,2,1,1,2,1,1,1,0,1,1,1,1,2,1,1,1,0,1,1,0,0,1,
%U 1,1,1,0,1,1,0,0,1,0,0,0,0,1,1,1,1,2,1,1,1,1
%N Number of i such that d(i)<d(i-1), where Sum{d(i)*3^i: i=0,1,...,m} is base 3 representation of n.
%p A037801 := proc(n)
%p a := 0 ;
%p dgs := convert(n,base,3);
%p for i from 2 to nops(dgs) do
%p if op(i,dgs)<op(i-1,dgs) then
%p a := a+1 ;
%p end if;
%p end do:
%p a ;
%p end proc: # _R. J. Mathar_, Oct 15 2015
%Y Cf. A007089, A037818.
%K nonn,base
%O 1,32
%A _Clark Kimberling_
%E Sign in name corrected by _R. J. Mathar_, Oct 15 2015