Let M be the 3 X 3 Matrix [ -4 4 8 / 1 0 0 / 0 1 0], a(n) = absolute value of the center term of M^n * [1 1 1].
A094253
Let M be the 3 X 3 Matrix [ -4 4 8 / 1 0 0 / 0 1 0], a(n) = absolute value of the center term of M^n * [1 1 1].
Terms
- a(0) =1a(1) =8a(2) =20a(3) =120a(4) =496a(5) =2304a(6) =10240a(7) =46208a(8) =207360a(9) =932352a(10) =4189184a(11) =18827264a(12) =84606976a(13) =380223488a(14) =1708703744a(15) =7678853120a(16) =34508439552a(17) =155079540736a(18) =696921096192
External references
- oeis: A094253