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A053218 as a triangular array

1
23
358
471220
59162848
611203664112
713244480144256
815285296176320576
91732601122083847041280
1019366812824044883215362816
1121407614427251296017923328

A053218 as a square array

1234567891011
3579111315171921
81216202428323640
2028364452606876
48648096112128144
112144176208240272
256320384448512
576704832960
128015361792
28163328
1234567891011
3579111315171921
81216202428323640
2028364452606876
48648096112128144
112144176208240272
256320384448512
576704832960
128015361792
28163328