a(n) = Sum_{k=0..n-1} T(n-k, k+1) where T(n, k) is the number of tight n X k pavings (defined in A285357).
A298432
a(n) = Sum_{k=0..n-1} T(n-k, k+1) where T(n, k) is the number of tight n X k pavings (defined in A285357).
Terms
- a(0) =1a(1) =2a(2) =6a(3) =24a(4) =118a(5) =680a(6) =4456a(7) =32512a(8) =260080a(9) =2254464a(10) =20982768a(11) =208142912a(12) =2187336048a(13) =24229170560
External references
- oeis: A298432