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A155810 as a triangular array

1
21
1061
18882141
167744452490301
67454361074934711082602621
11466849412108270450043173414951300130021261
804443986362804411700155252104251164804138744624611470404625382541
2306003967992402758721468918319488089897851489729327803708940836389938106941290761642928105101
26865479462908298501956447248169687647330734463696762417223751808816914000276837082050046600744310810013535936061382564804134343410221

A155810 as a square array

121018816774674543611466849412804443986362802306003967992402758268654794629082985019564
16824452107493410827045004411700155252721468918319488084724816968764733073446
114490711084317341410425116480498978514897293236967624172237518088
130260295130013874462467803708940836169140002768370820
162130021147040438993810694500466007443108
1126625381290761641001353593606
12542928101382564804
15101343434
11022
1

A155810 as an upper right triangle

121018816774674543611466849412804443986362802306003967992402758268654794629082985019564
16824452107493410827045004411700155252721468918319488084724816968764733073446
114490711084317341410425116480498978514897293236967624172237518088
130260295130013874462467803708940836169140002768370820
162130021147040438993810694500466007443108
1126625381290761641001353593606
12542928101382564804
15101343434
11022
1

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Last modified May 8 15:54 EDT 2021. Contains 343666 sequences. (Running on oeis4.)