a(n) = A392860(1+n) - A006093(1+n)*A392860(n), where A006093(n) is prime(n)-1.
A392861
a(n) = A392860(1+n) - A006093(1+n)*A392860(n), where A006093(n) is prime(n)-1.
Terms
- a(0) =0a(1) =1a(2) =9a(3) =45a(4) =351a(5) =2739a(6) =38385a(7) =554013a(8) =11405079a(9) =276555303a(10) =6766734111a(11) =234606011115
External references
- oeis: A392861