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A215120 as a triangular array

1
11
331
9951
33332371
1351351094391
63363355726169111
3207320729751641507101131
175891758916825105033787869139151
102627102627100007690772820574871369183171

A215120 as a square array

113933135633320717589102627
13933135633320717589102627
1523109557297516825100007
174326116411050369077
1969507378728205
1111018697487
1131391369
115183
117
1

A215120 as an upper right triangle

113933135633320717589102627
13933135633320717589102627
1523109557297516825100007
174326116411050369077
1969507378728205
1111018697487
1131391369
115183
117
1

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Last modified April 23 10:29 EDT 2024. Contains 371905 sequences. (Running on oeis4.)