a(n) = binomial(prime(n+2), 3).

Terms

a(0) =1a(1) =10a(2) =35a(3) =165a(4) =286a(5) =680a(6) =969a(7) =1771a(8) =3654a(9) =4495a(10) =7770a(11) =10660a(12) =12341a(13) =16215a(14) =23426a(15) =32509a(16) =35990a(17) =47905a(18) =57155a(19) =62196a(20) =79079a(21) =91881a(22) =113564a(23) =147440a(24) =166650a(25) =176851a(26) =198485a(27) =209934a(28) =234136a(29) =333375