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A269829 as a triangular array

0
55
4021640
24030963096240
128039784103296397841280
6400462680320060432006044626806400
3072051457369074869624063740890748696514573630720
14336055265336247298355616644595392

A269829 as a square array

05402401280640030720143360
5216309639784462680514573655265336
4030961032963200604907486962472983556
24039784320060424063740816644595392
128046268090748696
64005145736
30720
05402401280640030720143360
5216309639784462680514573655265336
4030961032963200604907486962472983556
24039784320060424063740816644595392
128046268090748696
64005145736
30720