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A237167 as a triangular array

81
245245
777997777
2597436543652597
89612066925705206698961
3183710226516531716531710226531837
115561525809109668914703171096689525809115561
4270932783881751916513373885133738857519165

A237167 as a square array

812457772597896131837115561427093
2459974365206691022655258092783881
77743652570516531710966897519165
259720669165317147031713373885
8961102265109668913373885
318375258097519165
115561
812457772597896131837115561427093
2459974365206691022655258092783881
77743652570516531710966897519165
259720669165317147031713373885
8961102265109668913373885
318375258097519165
115561