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A177954 as a triangular array

1
21
221
3541
36741
411171461
41222241661
5194359512781
520508086622981
6298616421218811344101

A177954 as a square array

1223344556
12561112192029
1471722435086
1414245980164
16165186212
162762188
1829113
1844
110
1
1223344556
12561112192029
1471722435086
1414245980164
16165186212
162762188
1829113
1844
110
1