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A281441 as a triangular array

1
01
101
0401
40701
02501001
2505701301
019609801601
1960522014801901
0176401006020702201
17640520601673027502501

A281441 as a square array

10104025019601764
1040250196017640
107057052205206
1010098010060
1013014801673
101602070
10190275
10220
1025
10
1
10104025019601764
1040250196017640
107057052205206
1010098010060
1013014801673
101602070
10190275
10220
1025
10
1