a(n) = sigma(n) * A276086(n), pointwise product of the sum of divisors function and the primorial base exp-function.

A351252

a(n) = sigma(n) * A276086(n), pointwise product of the sum of divisors function and the primorial base exp-function.

Terms

    a(0) =2a(1) =9a(2) =24a(3) =63a(4) =108a(5) =60a(6) =80a(7) =225a(8) =390a(9) =810a(10) =1080a(11) =700a(12) =700a(13) =1800a(14) =3600a(15) =6975a(16) =8100a(17) =4875a(18) =5000a(19) =15750a(20) =24000a(21) =40500a(22) =54000a(23) =37500a(24) =38750a(25) =78750a(26) =150000a(27) =315000a(28) =337500a(29) =504

External references