a(n) = Sum_{i=1..n-1} binomial(prime(n),prime(i)).
A373499
a(n) = Sum_{i=1..n-1} binomial(prime(n),prime(i)).
Terms
- a(0) =0a(1) =3a(2) =20a(3) =77a(4) =1012a(5) =3445a(6) =41208a(7) =166041a(8) =2886776a(9) =176545765a(10) =707922076a(11) =44154219471a(12) =628182427994
External references
- oeis: A373499