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A235289 as a triangular array

20
4040
686868
136104104136
236188148188236
472304248248304472
836572380380380572836
16729686805445446809681672
302018681108908740908110818683020
604032802072140011681168

A235289 as a square array

204068136236472836167230206040
406810418830457296818683280
6810414824838068011082072
1361882483805449081400
2363043805447401168
4725726809081168
8369681108
16721868
3020

A235289 as an upper right triangle

204068136236472836167230206040
406810418830457296818683280
6810414824838068011082072
1361882483805449081400
2363043805447401168
4725726809081168
8369681108
16721868
3020

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Last modified January 18 06:18 EST 2022. Contains 350449 sequences. (Running on oeis4.)