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A104040 as a triangular array

1
11
221
4431
88841
1616201251
323248321861
646411280562471
128128256192160803281
2562565764484322401204091
51251212801024112067240016050101
102410242816

A104040 as a square array

112481632641282565121024
12481632641282565121024
138204811225657612802816
141232801924481024
1518561604321120
162480240672
1732120400
1840160
1950
110
1

A104040 as an upper right triangle

112481632641282565121024
12481632641282565121024
138204811225657612802816
141232801924481024
1518561604321120
162480240672
1732120400
1840160
1950
110
1

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Last modified August 14 09:14 EDT 2020. Contains 336480 sequences. (Running on oeis4.)