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A368518 as a triangular array

1
12
247
3101820
520516861
840118220251182
1376264584905888547
2114255814522678354030761640
342601145338072791153613418104564921
554702286754818391339904760049552

A368518 as a square array

11235813213455
2410204076142260470
7185111826455811452286
2068220584145233807548
612519052678727918391
18288835401153633990
54730761341847600
16401045649552
4921
11235813213455
2410204076142260470
7185111826455811452286
2068220584145233807548
612519052678727918391
18288835401153633990
54730761341847600
16401045649552
4921