Array read by downward antidiagonals: A(n,k) = A(n-1,k+1) + Sum_{j=0..k} A(n-1,j)*A(k-j,0) with A(0,k) = 1.
A392095
Array read by downward antidiagonals: A(n,k) = A(n-1,k+1) + Sum_{j=0..k} A(n-1,j)*A(k-j,0) with A(0,k) = 1.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =4a(5) =6a(6) =1a(7) =10a(8) =18a(9) =24a(10) =1a(11) =34a(12) =64a(13) =94a(14) =118a(15) =1a(16) =152a(17) =278a(18) =414a(19) =556a(20) =674a(21) =1a(22) =826a(23) =1438a(24) =2096a(25) =2842a(26) =3634a(27) =4308a(28) =1a(29) =5134
External references
- oeis: A392095