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A172237 as a triangular array

0
01
011
0112
01133
011455
01157118
01169192113
01171129404321
0118134165978534
011915559618121717155
01110177113330144150834189
01111

A172237 as a square array

0000000000000
111111111111
11111111111
234567891011
357911131517
5111929415571
821406596133
134397181301
2185217441
34171508
55341
89
0000000000000
111111111111
11111111111
234567891011
357911131517
5111929415571
821406596133
134397181301
2185217441
34171508
55341
89