Totally balanced decimal numbers: if we assign the weight w(d) = d-1 to each digit d (i.e., w(0) = -1, w(1) = 0, ..., w(9) = 8) and then read the digits of the term from left to right, the partial sum of the weights is never negative and the total weighted sum is zero.

A071154

Totally balanced decimal numbers: if we assign the weight w(d) = d-1 to each digit d (i.e., w(0) = -1, w(1) = 0, ..., w(9) = 8) and then read the digits of the term from left to right, the partial sum of the weights is never negative and the total weighted sum is zero.

Terms

    a(0) =1a(1) =11a(2) =20a(3) =111a(4) =120a(5) =201a(6) =210a(7) =300a(8) =1111a(9) =1120a(10) =1201a(11) =1210a(12) =1300a(13) =2011a(14) =2020a(15) =2101a(16) =2110a(17) =2200a(18) =3001a(19) =3010a(20) =3100a(21) =4000a(22) =11111a(23) =11120a(24) =11201a(25) =11210a(26) =11300a(27) =12011a(28) =12020a(29) =12101

External references