a(n) = 13*a(n-1) - 65*a(n-2) + 156*a(n-3) - 182*a(n-4) + 91*a(n-5) - 13*a(n-6), with initial terms 0, -2, -9, -44, -215, -1001.
A216861
a(n) = 13*a(n-1) - 65*a(n-2) + 156*a(n-3) - 182*a(n-4) + 91*a(n-5) - 13*a(n-6), with initial terms 0, -2, -9, -44, -215, -1001.
Terms
- a(0) =0a(1) =-2a(2) =-9a(3) =-44a(4) =-215a(5) =-1001a(6) =-4446a(7) =-19058a(8) =-79677a(9) =-327418a(10) =-1329601a(11) =-5355272a(12) =-21446945a(13) =-85548138a(14) =-340268656a(15) =-1350664731a(16) =-5353389340a(17) =-21195056584a(18) =-83846301409a(19) =-331483318257
External references
- oeis: A216861