Column 3 of triangle A121412, in which row n of T=A121412 equals row (n-1) of T^(n+1) with an appended '1'.
A121415
Column 3 of triangle A121412, in which row n of T=A121412 equals row (n-1) of T^(n+1) with an appended '1'.
Terms
- a(0) =1a(1) =1a(2) =6a(3) =63a(4) =924a(5) =17226a(6) =387567a(7) =10182744a(8) =305379129a(9) =10280074116a(10) =383492465902
External references
- oeis: A121415