A014734 Squares of odd numbers in triangle of Eulerian numbers.

1, 1, 1, 1, 1, 1, 121, 121, 1, 1, 1, 1, 3249, 3249, 1, 1, 1418481, 1418481, 1, 1, 61009, 18429849, 243953161, 243953161, 18429849, 61009, 1, 1, 1, 1, 1026169, 1026169, 1, 1, 23298053769, 23298053769, 1, 1, 16670889, 228743149441, 103788925659225