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A260613 as a triangular array

1
12
156
1103130
117101247210
128288135829272310
1416525102205814036130030
158134916186107315390238716167510510
17724514181741484924292238130689141176839699690

A260613 as a square array

111111111
25101728415877
63110128865213492451
30247135851021618641817
210292720581107315414849
2310403613902382429223
300307161678130689
51051014117683
9699690
111111111
25101728415877
63110128865213492451
30247135851021618641817
210292720581107315414849
2310403613902382429223
300307161678130689
51051014117683
9699690