Triangle, read by rows, equal to R^2, the matrix square of R = A135894.

Terms

a(0) =1a(1) =2a(2) =1a(3) =7a(4) =6a(5) =1a(6) =34a(7) =39a(8) =10a(9) =1a(10) =215a(11) =300a(12) =95a(13) =14a(14) =1a(15) =1698a(16) =2741a(17) =990a(18) =175a(19) =18a(20) =1a(21) =16220a(22) =29380a(23) =11635a(24) =2296a(25) =279a(26) =22a(27) =1a(28) =182714a(29) =363922