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A199580 as a triangular array

0
21
-301
8-4-41
-303015-101
144-216-4884-181
-84016800-700245-281
5760-1440028806000-3120552-401
-45360136080-52920-5292039690-97021071-541
403200-1411200806400470400

A199580 as a square array

02-38-30144-8405760-45360403200
10-430-2161680-14400136080-1411200
1-415-4802880-52920806400
1-1084-7006000-52920470400
1-18245-312039690
1-28552-9702
1-401071
1-54
1

A199580 as an upper right triangle

02-38-30144-8405760-45360403200
10-430-2161680-14400136080-1411200
1-415-4802880-52920806400
1-1084-7006000-52920470400
1-18245-312039690
1-28552-9702
1-401071
1-54
1

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Last modified September 22 22:24 EDT 2020. Contains 337291 sequences. (Running on oeis4.)