Triangle of Eulerian numbers squared: A008292(n,m)^2 read by rows.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =16a(5) =1a(6) =1a(7) =121a(8) =121a(9) =1a(10) =1a(11) =676a(12) =4356a(13) =676a(14) =1a(15) =1a(16) =3249a(17) =91204a(18) =91204a(19) =3249a(20) =1a(21) =1a(22) =14400a(23) =1418481a(24) =5837056a(25) =1418481a(26) =14400a(27) =1a(28) =1a(29) =61009