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

A388282

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

Terms

    a(0) =2a(1) =6a(2) =12a(3) =54a(4) =36a(5) =25a(6) =20a(7) =150a(8) =270a(9) =675a(10) =180a(11) =5625a(12) =100a(13) =3375a(14) =4500a(15) =33750a(16) =900a(17) =93750a(18) =500a(19) =421875a(20) =67500a(21) =84375a(22) =4500a(23) =21875a(24) =6250a(25) =421875a(26) =187500a(27) =31640625a(28) =22500a(29) =1225

External references