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A247073 as a triangular array

1
21
411
6211
113211
1842111
31532111
546322111
9784221111
1721143221111
30914532211111
564186432211111
10282484322211111

A247073 as a square array

124611183154971723095641028
1123456811141824
11223344568
1112223344
111222233
11112222
1111122
111112
11111
1111
111
11
1
124611183154971723095641028
1123456811141824
11223344568
1112223344
111222233
11112222
1111122
111112
11111
1111
111
11
1