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A038276 as a triangular array

1
710
49140100
343147021001000
240113720294002800010000
16807120050343000490000350000100000
117649100842036015006860000735000042000001000000
82354382354303529470084035000

A038276 as a square array

1749343240116807117649823543
1014014701372012005010084208235430
100210029400343000360150035294700
100028000490000686000084035000
100003500007350000
1000004200000
1000000
1749343240116807117649823543
1014014701372012005010084208235430
100210029400343000360150035294700
100028000490000686000084035000
100003500007350000
1000004200000
1000000