A118803 Self-convolution square-root of A118802, which is the row squared sums of triangle A118801.

1, 1, 5, 33, 237, 1801, 14197, 114609, 940445, 7809273, 65437541, 552276577, 4688278093, 39991233641, 342517093333, 2943809545105, 25377201555325, 219341012215385, 1900216743054021, 16496109719061825, 143469924189693229