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A251268 as a triangular array

11
2635
57114108
120313480337
247772166720581049
50217754930910988123268
101338941305232636498723777210179
203682773193610084321763427360716190631707
40831722473805279718790734

A251268 as a square array

112657120247502101320364083
3511431377217753894827717224
10848016674930130523193673805
3372058910932636100843279718
1049881249872217634790734
326837772273607
10179161906
31707
112657120247502101320364083
3511431377217753894827717224
10848016674930130523193673805
3372058910932636100843279718
1049881249872217634790734
326837772273607
10179161906
31707