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A218663 as a triangular array

1
33
5155
957579
1722541722517
318913249324989131
573519255335062525533351957
1051390519948979388179388119948913905105
193549451560161123833612487948912383361156016154945

A218663 as a square array

1359173157105193
3155722589135191390554945
5574173249255331994891560161
922532495062579388112383361
178912553379388124879489
31351919948912383361
57139051560161
10554945
1359173157105193
3155722589135191390554945
5574173249255331994891560161
922532495062579388112383361
178912553379388124879489
31351919948912383361
57139051560161
10554945