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A171661 as a triangular array

1
22
664
2020148
7070503016
2522521821126232
92492467242023812664
3432343225081584912492254128
128701287094386006349819141002510256
48620486203575022880134427436

A171661 as a square array

126207025292434321287048620
26207025292434321287048620
414501826722508943835750
8301124201584600622880
1662238912349813442
3212649219147436
642541002
128510
256

A171661 as an upper right triangle

126207025292434321287048620
26207025292434321287048620
414501826722508943835750
8301124201584600622880
1662238912349813442
3212649219147436
642541002
128510
256

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Last modified February 21 13:52 EST 2024. Contains 370235 sequences. (Running on oeis4.)