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A220708 as a triangular array

1
11
111
1211
13311
156511
181213811
1132437281311
12148105107602111
134962984053171293411
155192846152016179322775511
18938424045706833864122749595

A220708 as a square array

111111111111
1123581321345589
113612244896192384
11513371052988462404
1182810740515205706
11136031716178338
11211299326412
11342772749
1155595
11
1

A220708 as an upper right triangle

111111111111
1123581321345589
113612244896192384
11513371052988462404
1182810740515205706
11136031716178338
11211299326412
11342772749
1155595
11
1

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Last modified June 13 17:03 EDT 2021. Contains 345008 sequences. (Running on oeis4.)