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A318389 as a triangular array

1
21
861
5644121
552440140201
720256321920340301
11845689278311926160700421
23699221708016595448124432162401288561
5623054438592786132146722830632400512372962184721
1552048082

A318389 as a square array

1285655272021184562369922562305441552048082
1644440563289278170801638592786
11214019203119259544813214672
12034061601244322830632
13070016240400512
142128837296
1562184
172
1
1285655272021184562369922562305441552048082
1644440563289278170801638592786
11214019203119259544813214672
12034061601244322830632
13070016240400512
142128837296
1562184
172
1