(1/2)*Sum{|d(i)-e(i)|}, where Sum{d(i)*9^i} is base-9 representation of n and e(i) are digits d(i) in nonincreasing order, for i=0,1,...,m.

A037877

(1/2)*Sum{|d(i)-e(i)|}, where Sum{d(i)*9^i} is base-9 representation of n and e(i) are digits d(i) in nonincreasing order, for i=0,1,...,m.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =1a(9) =0a(10) =0a(11) =0a(12) =0a(13) =0a(14) =0a(15) =0a(16) =0a(17) =2a(18) =1a(19) =0a(20) =0a(21) =0a(22) =0a(23) =0a(24) =0a(25) =0a(26) =3a(27) =2a(28) =1a(29) =0

External references