(1/2)*Sum{|d(i)-e(i)|}, where Sum{d(i)*3^i} is base 3 representation of n and e(i) are digits d(i) in nonincreasing order, for i=0,1,...,m.
A037871
(1/2)*Sum{|d(i)-e(i)|}, where Sum{d(i)*3^i} is base 3 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) =1a(3) =0a(4) =0a(5) =2a(6) =1a(7) =0a(8) =1a(9) =1a(10) =1a(11) =1a(12) =0a(13) =0a(14) =2a(15) =1a(16) =0a(17) =2a(18) =2a(19) =2a(20) =2a(21) =1a(22) =1a(23) =2a(24) =1a(25) =0a(26) =1a(27) =1a(28) =1a(29) =1
External references
- oeis: A037871