a(n) = 4*a(n-1) + 4*a(n-2) for n > 1; a(0) = 1, a(1) = 10.

A164607

a(n) = 4*a(n-1) + 4*a(n-2) for n > 1; a(0) = 1, a(1) = 10.

Terms

    a(0) =1a(1) =10a(2) =44a(3) =216a(4) =1040a(5) =5024a(6) =24256a(7) =117120a(8) =565504a(9) =2730496a(10) =13184000a(11) =63657984a(12) =307367936a(13) =1484103680a(14) =7165886464a(15) =34599960576a(16) =167063388160a(17) =806653394944

External references