a(n) = 20*a(n-1) - 98*a(n-2) for n > 1; a(0) = 1, a(1) = 10.

A162666

a(n) = 20*a(n-1) - 98*a(n-2) for n > 1; a(0) = 1, a(1) = 10.

Terms

    a(0) =1a(1) =10a(2) =102a(3) =1060a(4) =11204a(5) =120200a(6) =1306008a(7) =14340560a(8) =158822416a(9) =1771073440a(10) =19856872032a(11) =223572243520

External references