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A308460 as a triangular array

1
10
110
1240
1320380
14546247280
15112383455248267040
162001510410270801398220818662560
173244575096842241067308488103583606402515485920
184901162086022500030458183680439048019390422792648882176662962910720

A308460 as a square array

1111111111
012345678
042054112200324490
03862438341510445750116208
0728552481027080968422460225000
02670413982208106730848830458183680
01866256103583606404390480193904
025154859222792648882176
066296291072
0
1111111111
012345678
042054112200324490
03862438341510445750116208
0728552481027080968422460225000
02670413982208106730848830458183680
01866256103583606404390480193904
025154859222792648882176
066296291072
0