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A294977 as a triangular array

1
22
323
4664
54345
65121256
761141167
814620206148
98712512789
109242813132824910
1110198236238191011
121126940141440926

A294977 as a square array

123456789101112
22645614891011
363121167241926
4412420122889
5511205132340
6661213614
7147282314
8824840
99199
101026
11
123456789101112
22645614891011
363121167241926
4412420122889
5511205132340
6661213614
7147282314
8824840
99199
101026
11