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A186881 as a triangular array

262144
24282428
1923642119236
465831201120146583
104701682967126829104701
18609614221201522015214221186096
2776591851728984790962898418517277659
32291021661329921006001006003299221661

A186881 as a square array

26214424281923646583104701186096277659322910
242842112016829142211851721661
1923612016712201522898432992
4658368292015279096100600
1047011422128984100600
1860961851732992
27765921661

A186881 as an upper right triangle

26214424281923646583104701186096277659322910
242842112016829142211851721661
1923612016712201522898432992
4658368292015279096100600
1047011422128984100600
1860961851732992
27765921661

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Last modified May 9 10:59 EDT 2024. Contains 372350 sequences. (Running on oeis4.)