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A217245 as a triangular array

0
01
071
07951
0716164371
071821795711751401
071822248468391996606026431
0718222694101468419594137076

A217245 as a square array

00000000
1777777
195161182182182
16437179572248422694
11175140683919910146841
16606026439594137076
1
00000000
1777777
195161182182182
16437179572248422694
11175140683919910146841
16606026439594137076
1