Third-order sequence with non-constant coefficients: a(n) = (n-3)*a(n-1) + (n-1)*a(n-3); a(0) = a(1) = a(2) = 1.
A275825
Third-order sequence with non-constant coefficients: a(n) = (n-3)*a(n-1) + (n-1)*a(n-3); a(0) = a(1) = a(2) = 1.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =5a(5) =14a(6) =52a(7) =238a(8) =1288a(9) =8144a(10) =59150a(11) =486080a(12) =4464304a(13) =45352840a(14) =505200280a(15) =6124903616a(16) =80304039608
External references
- oeis: A275825