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A274608 as a triangular array

2
36
51030
71542210
1122703302310
1335110462273030030
1755165770429039270510510
197723111556006464105705709699690
23913851430100107293074613011741730223092870
29143455214515015102102903210148047902812910106469693230

A274608 as a square array

2357111317192329
610152235557791143
304270110165231385455
210330462770115514302145
23102730429060061001015015
30030392704641072930102102
510510570570746130903210
96996901174173014804790
223092870281291010
6469693230
2357111317192329
610152235557791143
304270110165231385455
210330462770115514302145
23102730429060061001015015
30030392704641072930102102
510510570570746130903210
96996901174173014804790
223092870281291010
6469693230