a(n) = 35*4^n + 126*2^n + 70*3^n + 15*5^n + 5*6^n + 7^n + 210.

A254468

a(n) = 35*4^n + 126*2^n + 70*3^n + 15*5^n + 5*6^n + 7^n + 210.

Terms

    a(0) =462a(1) =924a(2) =2508a(3) =8646a(4) =35112a(5) =159654a(6) =787968a(7) =4137966a(8) =22807752a(9) =130656534a(10) =772253328a(11) =4683193086a(12) =29012227992a(13) =182964472614

External references