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A111805 as a triangular array

1
11
1151
170451
1210495911
1495300318201531
11001128701856448452311
118204375812597074613106263251
13060125970646646735471230230204754351
1484531977027041565311735

A111805 as a square array

1111111111
115702104951001182030604845
14549530031287043758125970319770
1911820185641259706466462704156
11534845746137354715311735
123110626230230
132520475
1435
1
1111111111
115702104951001182030604845
14549530031287043758125970319770
1911820185641259706466462704156
11534845746137354715311735
123110626230230
132520475
1435
1