a(n) = 26*a(n-2) - a(n-4) + 12, with a(0) = 0, a(1) = 4, a(2) = 8, a(3) = 116.
A105036
a(n) = 26*a(n-2) - a(n-4) + 12, with a(0) = 0, a(1) = 4, a(2) = 8, a(3) = 116.
Terms
- a(0) =0a(1) =4a(2) =8a(3) =116a(4) =220a(5) =3024a(6) =5724a(7) =78520a(8) =148616a(9) =2038508a(10) =3858304a(11) =52922700a(12) =100167300a(13) =1373951704a(14) =2600491508a(15) =35669821616a(16) =67512611920a(17) =926041410324
External references
- oeis: A105036