a(n) = 8 * A104720(n) + ceiling(n/2).

A319842

a(n) = 8 * A104720(n) + ceiling(n/2).

Terms

    a(0) =8a(1) =89a(2) =897a(3) =8978a(4) =89786a(5) =897867a(6) =8978675a(7) =89786756a(8) =897867564a(9) =8978675645a(10) =89786756453a(11) =897867564534

External references