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A281129 as a triangular array

0
00
121
228282
82085742088
28136455905590136428
948354488287566848828835494
3044899239420292367892367839420248992304
96027896630428931044141615835126104414163042893278966960

A281129 as a square array

001282894304960
02282081364835448992278966
1285745590488283942023042893
220855907566892367810441416
813644882892367815835126
28835439420210441416
94489923042893
304278966
960
001282894304960
02282081364835448992278966
1285745590488283942023042893
220855907566892367810441416
813644882892367815835126
28835439420210441416
94489923042893
304278966
960