a(n) is the rightmost term of M^n * [1 0 0], where M is the 3 X 3 matrix [0 1 0 / 0 0 1 / 7 -14 7].
A094430
a(n) is the rightmost term of M^n * [1 0 0], where M is the 3 X 3 matrix [0 1 0 / 0 0 1 / 7 -14 7].
Terms
- a(0) =7a(1) =49a(2) =245a(3) =1078a(4) =4459a(5) =17836a(6) =69972a(7) =271313a(8) =1044435a(9) =4002467a(10) =15294370a(11) =58337097a(12) =222255768a(13) =846131608a(14) =3219700183a(15) =12247849145a(16) =46582062709a(17) =177142452214a(18) =673583231587
External references
- oeis: A094430