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A146987 as a triangular array

1
11
151
112121
13160311
186253253861
124998714789872491
173636667325732536667361
12195131503286143810328611315021951
16570459631378652297612297611378654596365701

A146987 as a square array

1111111111
1512318624973621956570
1126025398736661315045963
1312531478732532861137865
186987732543810229761
1249366632861229761
173613150137865
1219545963
16570
1
1111111111
1512318624973621956570
1126025398736661315045963
1312531478732532861137865
186987732543810229761
1249366632861229761
173613150137865
1219545963
16570
1