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A207989 as a triangular array

3
99
258125
6962562569
1914761124684761191
5293648124432524432536481529
146527984148274821227122748274822798411465
40572146225955278566225693856225693859552785621462254057
11235

A207989 as a square array

3925691915291465405711235
9816254761364812798412146225
2562512468244325482748295527856
69476124432512271227622569385
191364814827482622569385
52927984195527856
14652146225
4057
3925691915291465405711235
9816254761364812798412146225
2562512468244325482748295527856
69476124432512271227622569385
191364814827482622569385
52927984195527856
14652146225
4057