a(n) = rightmost term of M^n * [1 0 0], with M = the 3 X 3 matrix [1 -1 0 / -1 3 -2 / 0 -2 2].
A094434
a(n) = rightmost term of M^n * [1 0 0], with M = the 3 X 3 matrix [1 -1 0 / -1 3 -2 / 0 -2 2].
Terms
- a(0) =0a(1) =2a(2) =12a(3) =60a(4) =288a(5) =1368a(6) =6480a(7) =30672a(8) =145152a(9) =686880a(10) =3250368a(11) =15380928a(12) =72783360a(13) =344414592a(14) =1629787392a(15) =7712236800a(16) =36494696448a(17) =172694757888a(18) =817200368640
External references
- oeis: A094434