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A217257 as a triangular array

1
10
110
1200
13200
145000
1595000
0614140000
062028140000
0026484200000
002674904200000
000100164132000000
000100264296132000000
00003645604280000000
00

A217257 as a square array

111111100000000
01234566000000
0025914202626000
0005142848741001000
0000144290164264364
0000042132296560
000000132428
0000000
000000
00000
0000
000
00
0

A217257 as an upper right triangle

111111100000000
01234566000000
0025914202626000
0005142848741001000
0000144290164264364
0000042132296560
000000132428
0000000
000000
00000
0000
000
00
0

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Last modified March 29 06:34 EDT 2024. Contains 371265 sequences. (Running on oeis4.)