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A209578 as a triangular array

1
31
531
9841
15191351
2541361961
418490602671
67165210169923481
1093154654392871334391
177588990107381845418453101
28710792043250221781405681246

A209578 as a square array

135915254167109177287
1381941841653155881079
141336902104659902043
15196016943910732502
1626922878182178
17341334541405
1843184681
1953246
110
1

A209578 as an upper right triangle

135915254167109177287
1381941841653155881079
141336902104659902043
15196016943910732502
1626922878182178
17341334541405
1843184681
1953246
110
1

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Last modified March 28 13:42 EDT 2024. Contains 371254 sequences. (Running on oeis4.)