a(n) = 5*2^(n-1) + 2^(2*n-1) + 6^n + 1.

A281698

a(n) = 5*2^(n-1) + 2^(2*n-1) + 6^n + 1.

Terms

    a(0) =5a(1) =14a(2) =55a(3) =269a(4) =1465a(5) =8369a(6) =48865a(7) =288449a(8) =1713025a(9) =10210049a(10) =60993025a(11) =364899329a(12) =2185181185a(13) =13094268929a(14) =78498422785a(15) =470721937409

External references