Number of zeros on each row of irregular tables A252743 and A252744.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =6a(7) =7a(8) =10a(9) =19a(10) =26a(11) =35a(12) =56a(13) =99a(14) =154a(15) =251a(16) =437a(17) =759a(18) =1262a(19) =1953a(20) =2963a(21) =4652a(22) =7847a(23) =13588