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, -1, -5, -22, -91, -364.
A216597
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, -1, -5, -22, -91, -364.
Terms
- a(0) =0a(1) =-1a(2) =-5a(3) =-22a(4) =-91a(5) =-364a(6) =-1430a(7) =-5564a(8) =-21541a(9) =-83200a(10) =-321100a(11) =-1239446a(12) =-4787770a(13) =-18514119a(14) =-71683040a(15) =-277913233a(16) =-1078918139a(17) =-4194134516a(18) =-16324764560a(19) =-63616690111a(20) =-248187382924a(21) =-969250588865
External references
- oeis: A216597