a(n) = 20*a(n-1) - 64*a(n-2) - 225 for n > 2; a(0) = 106, a(1) = 8075, a(2) = 114235.
A166912
a(n) = 20*a(n-1) - 64*a(n-2) - 225 for n > 2; a(0) = 106, a(1) = 8075, a(2) = 114235.
Terms
- a(0) =106a(1) =8075a(2) =114235a(3) =1767675a(4) =28042235a(5) =447713275a(6) =7159562235a(7) =114537594875
External references
- oeis: A166912