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A210560 as a triangular array

1
31
542
7993
91623165
11254648308
1336801101015413
15491272152572039721
176418937855257040117234
198126861610571337122877630355
2110036694818622772

A210560 as a square array

13579111315171921
149162536496481100
29234680127189268366
31648110215378616948
53010125755210571862
85420357013372772
13974011228
21172776
34303
55
13579111315171921
149162536496481100
29234680127189268366
31648110215378616948
53010125755210571862
85420357013372772
13974011228
21172776
34303
55