Matrix square of triangle V = A136230, read by rows.

Terms

a(0) =1a(1) =4a(2) =1a(3) =26a(4) =10a(5) =1a(6) =232a(7) =110a(8) =16a(9) =1a(10) =2657a(11) =1435a(12) =248a(13) =22a(14) =1a(15) =37405a(16) =22135a(17) =4240a(18) =440a(19) =28a(20) =1a(21) =627435a(22) =397820a(23) =81708a(24) =9295a(25) =686a(26) =34a(27) =1a(28) =12248365a(29) =8203057