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A217954 as a triangular array

4
416
41664
41650256
416501441024
416501304224096
41650130310126816384
41650130296736382365536
41650130296624182111472262144
4165013029661012894673343501048576
416

A217954 as a square array

44444444444
16161616161616161616
6450505050505050
256144130130130130130
1024422310296296296
40961268736624610
16384382318211289
65536114724673
26214434350
1048576

A217954 as an upper right triangle

44444444444
16161616161616161616
6450505050505050
256144130130130130130
1024422310296296296
40961268736624610
16384382318211289
65536114724673
26214434350
1048576

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)