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A140876 as a triangular array

2
06
-2216
0-101040
2-2-363696
014-14-112112224
-2264-64-320320512
0-1818240-240-8648641152
2-2-100100800-800-224022402560
022-22-4404402464-2464-563256325632
-22144-144-168016807168-7168-1382413824

A140876 as a square array

20-2020-2020-2
62-10-2142-18-2222
1610-36-146418-100-22144
4036-112-64240100-440-144
96112-320-240800440-1680
224320-864-80024641680
512864-2240-24647168
11522240-5632-7168
25605632-13824
563213824
20-2020-2020-2
62-10-2142-18-2222
1610-36-146418-100-22144
4036-112-64240100-440-144
96112-320-240800440-1680
224320-864-80024641680
512864-2240-24647168
11522240-5632-7168
25605632-13824
563213824