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A038455 as a triangular array

1
31
2091
210107181
30241650335301
55440315947155805451
1235520725592176554227851645631
32432400194715004985316705649596403010841
98017920059848200015916842824083892226776913608050821081

A038455 as a square array

1320210302455440123552032432400980179200
1910716503159472559219471500598482000
11833571551765544985316159168428
1308052278570564924083892
1451645596402267769
1633010136080
1845082
1108
1
1320210302455440123552032432400980179200
1910716503159472559219471500598482000
11833571551765544985316159168428
1308052278570564924083892
1451645596402267769
1633010136080
1845082
1108
1