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A201552 as a triangular array

1
13
157
171919
19378551
11161231381141
1139148914511751393
1151278913951933181351107
117169146988013266160691381653139
119217225517151889132731273985671803258953
1

A201552 as a square array

11111111111
35791113151719
719376191127169217
198523148989114692255
5138114513951880117151
141175193313266188913
393813560691273127
110738165398567
3139180325
8953

A201552 as an upper right triangle

11111111111
35791113151719
719376191127169217
198523148989114692255
5138114513951880117151
141175193313266188913
393813560691273127
110738165398567
3139180325
8953

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Last modified September 14 10:49 EDT 2024. Contains 375921 sequences. (Running on oeis4.)