a(n) = (11^n - 1)/(5*2^(3 - 2*(n mod 2))).
A152435
a(n) = (11^n - 1)/(5*2^(3 - 2*(n mod 2))).
Terms
- a(0) =0a(1) =1a(2) =3a(3) =133a(4) =366a(5) =16105a(6) =44289a(7) =1948717a(8) =5358972a(9) =235794769a(10) =648435615a(11) =28531167061a(12) =78460709418
External references
- oeis: A152435