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A155997 as a triangular array

2
11
202
1331
201202
15101051
203003002
172135352171
2056014005602
193684126126843691
20900420042009002
1115516533046246233016555111

A155997 as a square array

212121212121
103050709011
231210302156369055
10100350840165
253035140126420330
102101260462
275684420462
10360330
2990165
1055
211
1

A155997 as an upper right triangle

212121212121
103050709011
231210302156369055
10100350840165
253035140126420330
102101260462
275684420462
10360330
2990165
1055
211
1

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Last modified January 20 05:32 EST 2020. Contains 331067 sequences. (Running on oeis4.)