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A163840 as a triangular array

1
21
532
161186
473120126
1469968483630
447301202134865020
1380933632430296210160140
425128711938130687658037021070
13102885159804042273618601280910700630

A163840 as a square array

12516471464471380425113102
1311319930193328718851
28206820263219385980
6124813443013064042
636862968762736
30502105801860
201603701280
140210910
70700
630
12516471464471380425113102
1311319930193328718851
28206820263219385980
6124813443013064042
636862968762736
30502105801860
201603701280
140210910
70700
630