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A271910 as a triangular array

0
00
040
010100
01636160
0246868240
032108148108320
042150248248150420
052200360444360200520
064252488672672488252640
0763126209321064932620312760

A271910 as a square array

00000000000
041016243242526476
0103668108150200252312
01668148248360488620
024108248444672932
0321503606721064
042200488932
052252620
064312
076
0
00000000000
041016243242526476
0103668108150200252312
01668148248360488620
024108248444672932
0321503606721064
042200488932
052252620
064312
076
0