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A137777 as a triangular array

2
-24
2-1212
024-7248
-80240-480240
0-24002400-36001440
2400-5040025200-3024010080
0134400-940800282240-28224080640
-2419204838400-169344003386880-2903040725760
0-21772800145152000-30481920043545600-32659200

A137777 as a square array

2-220-802400-241920
4-12240-2400134400-2177280
12-722400-504004838400
48-48024000-94080014515200
240-3600252000-16934400
1440-302402822400-30481920
10080-28224033868800
80640-290304043545600
725760-32659200

A137777 as an upper right triangle

2-220-802400-241920
4-12240-2400134400-2177280
12-722400-504004838400
48-48024000-94080014515200
240-3600252000-16934400
1440-302402822400-30481920
10080-28224033868800
80640-290304043545600
725760-32659200

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Last modified June 19 14:08 EDT 2021. Contains 345140 sequences. (Running on oeis4.)