Column sums of triangle A132784.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =4a(5) =13a(6) =62a(7) =450a(8) =4957a(9) =76044a(10) =1541127a(11) =39728450a(12) =1267255834a(13) =48961239415