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A280284 as a triangular array

0
00
141
246462
83849963848
2828941686016860289428
94204442590405924162590402044494
304138944375384618844474188444743753846138944304
960918744524334925661318601240628942

A280284 as a square array

001282894304960
0446384289420444138944918744
14699616860259040375384652433492
23841686059241618844474566131860
82894259040188444741240628942
28204443753846
94138944
304
001282894304960
0446384289420444138944918744
14699616860259040375384652433492
23841686059241618844474566131860
82894259040188444741240628942
28204443753846
94138944
304