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A227924 as a triangular array

2
42
1802
64402
23812002
890284002
334870120002
126621822040002
48102466381200002
18346011868420400002

A227924 as a square array

24186423889033481266248102183460
2041228701824661186
200412203884
200041220
200004
20000
2000
200
20
2
24186423889033481266248102183460
2041228701824661186
200412203884
200041220
200004
20000
2000
200
20
2