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A321500 as a triangular array

0
14
81532
274065108
6485120175256
125156203272369500
216259320405520671864
34340047758071588811051372
5125856808039601157140016952048

A321500 as a square array

0182764125216343512
4154085156259400585
3265120203320477680
108175272405580803
256369520715960
5006718881157
86411051400
13721695
2048
0182764125216343512
4154085156259400585
3265120203320477680
108175272405580803
256369520715960
5006718881157
86411051400
13721695
2048