Table T(n,k) = T(n - 1,k) + T(n,k - 1) + T(n - 1,k)*T(n,k - 1) starting with T(0,0)=1, read by antidiagonals.

A059328

Table T(n,k) = T(n - 1,k) + T(n,k - 1) + T(n - 1,k)*T(n,k - 1) starting with T(0,0)=1, read by antidiagonals.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =7a(8) =7a(9) =1a(10) =1a(11) =15a(12) =63a(13) =15a(14) =1a(15) =1a(16) =31a(17) =1023a(18) =1023a(19) =31a(20) =1a(21) =1a(22) =63a(23) =32767a(24) =1048575a(25) =32767a(26) =63a(27) =1a(28) =1a(29) =127

External references