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A271238 as a triangular array

1
21
331
61281
103030101
15608045121
2110517514063141
2816833635022484161
36252588756630336108181
45360960147015121050480135201
5549514852640323427721650660165221

A271238 as a square array

123610152128364555
13123060105168252360495
1830801753365889601485
1104514035075614702640
1126322463015123234
1148433610502772
1161084801650
118135660
120165
122
1

A271238 as an upper right triangle

123610152128364555
13123060105168252360495
1830801753365889601485
1104514035075614702640
1126322463015123234
1148433610502772
1161084801650
118135660
120165
122
1

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Last modified September 29 18:27 EDT 2020. Contains 337432 sequences. (Running on oeis4.)