a(n) is the difference between numbers of nonnegative multiples of 2*n+1 with even and odd digit sum in base 2*n in interval [0, (2*n)^8).

A212705

a(n) is the difference between numbers of nonnegative multiples of 2*n+1 with even and odd digit sum in base 2*n in interval [0, (2*n)^8).

Terms

    a(0) =54a(1) =3220a(2) =38794a(3) =237832a(4) =995710a(5) =3256540a(6) =8954258a(7) =21645200a(8) =47366982a(9) =95758500a(10) =181475866a(11) =325939096a(12) =559444366a(13) =923676652a(14) =1474657570a(15) =2286163232a(16) =3453646934a(17) =5098701492a(18) =7374096042a(19) =10469422120a(20) =14617383838

External references