cp's OEIS Frontend

A037855 Sum{d(i)-d(i-1): d(i)>d(i-1), i=1,...,m}, where Sum{d(i)*5^i: i=0,1,...,m} is base 5 representation of n.

%I A037855 #8 Oct 19 2015 14:27:54
%S A037855 0,0,0,0,1,0,0,0,0,2,1,0,0,0,3,2,1,0,0,4,3,2,1,0,1,1,1,1,1,1,0,0,0,0,
%T A037855 2,1,0,0,0,3,2,1,0,0,4,3,2,1,0,2,2,2,2,2,2,1,1,1,1,2,1,0,0,0,3,2,1,0,
%U A037855 0,4,3,2,1,0,3,3,3,3,3,3,2,2,2,2,3,2,1,1,1,3
%N A037855 Sum{d(i)-d(i-1): d(i)>d(i-1), i=1,...,m}, where Sum{d(i)*5^i: i=0,1,...,m} is base 5 representation of n.
%p A037855 A037855 := proc(n)
%p A037855     a := 0 ;
%p A037855     dgs := convert(n,base,5);
%p A037855     for i from 2 to nops(dgs) do
%p A037855         if op(i,dgs)>op(i-1,dgs) then
%p A037855             a := a+op(i,dgs)-op(i-1,dgs) ;
%p A037855         end if;
%p A037855     end do:
%p A037855     a ;
%p A037855 end proc: # _R. J. Mathar_, Oct 19 2015
%K A037855 nonn,base
%O A037855 1,10
%A A037855 _Clark Kimberling_
%E A037855 Definition swapped with A037846. - _R. J. Mathar_, Oct 19 2015