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A247490 as a triangular array

0
01
010
0111
01232
0137119
01413325344
0152171181309265
01631134465121421191854
017432271001353994031668714833
01857356190985443063782508148329133496

A247490 as a square array

00000000000
1111111111
012345678
1371321314357
2113271134227356
95318146510011909
44309121435398544
2652119940330637
18541668782508
14833148329
133496
00000000000
1111111111
012345678
1371321314357
2113271134227356
95318146510011909
44309121435398544
2652119940330637
18541668782508
14833148329
133496