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A284771 as a triangular array

0
00
141
214142
652119526
1220672072020612
28772563710120563777228
5628963879214582214582238792289656
1191099629800321348124219759213481229800310996119
236418622180148

A284771 as a square array

00126122856119236
04145220677228961099641862
1141197205637387922980032180148
252720101201458222134812
620656371458224219759
12772387922134812
282896298003
5610996
119
00126122856119236
04145220677228961099641862
1141197205637387922980032180148
252720101201458222134812
620656371458224219759
12772387922134812
282896298003
5610996
119