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A054651 as a triangular array

1
11
112
1056
1-2111424
1-525594120
1-955-75304444720
1-14112-350109936438285040
1-20210-10643969-4340159802558440320
1-27366-264612873-315637906434236270576362880

A054651 as a square array

1111111111
110-2-5-9-14-20-27
25112555112210366
6145-75-350-1064-2646
24943041099396912873
120444364-4340-31563
72038281598079064
50402558434236
40320270576
362880

A054651 as an upper right triangle

1111111111
110-2-5-9-14-20-27
25112555112210366
6145-75-350-1064-2646
24943041099396912873
120444364-4340-31563
72038281598079064
50402558434236
40320270576
362880

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Last modified July 2 15:37 EDT 2020. Contains 335402 sequences. (Running on oeis4.)