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A234702 as a triangular array

408
26282628
168481395216848
1092247430874308109224
704160409268329984409268704160
459432022612201558600155860022612204594320
29782080129031647424496648063274244961290316429782080
195532704

A234702 as a square array

408262816848109224704160459432029782080195532704
26281395274308409268226122012903164
168487430832998415586007424496
10922440926815586006480632
70416022612207424496
459432012903164
29782080
408262816848109224704160459432029782080195532704
26281395274308409268226122012903164
168487430832998415586007424496
10922440926815586006480632
70416022612207424496
459432012903164
29782080