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A054425 as a triangular array

1
23
407
85615
1600031
32911121463
640100130127
1281702324030255
256019000280511
51233182047482729621023
1024000220250002047
20486535392195962656

A054425 as a square array

124816326412825651210242048
30509017033065
760111001918035
15012023020039
311413240472221
6300048095
1273028272596
255029026
51162056
10230
2047
124816326412825651210242048
30509017033065
760111001918035
15012023020039
311413240472221
6300048095
1273028272596
255029026
51162056
10230
2047