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A268639 as a triangular array

0
33
122412
3612012036
9650484050496
2401944517851781944240
57671282977247640297727128576
134425272163878412740412740163878252721344
307287480875592344005254199923440052875592

A268639 as a square array

0312369624057613443072
324120504194471282527287480
12120840517829772163878875592
365045178476404127403440052
961944297724127405419992
24071281638783440052
57625272875592
1344

A268639 as an upper right triangle

0312369624057613443072
324120504194471282527287480
12120840517829772163878875592
365045178476404127403440052
961944297724127405419992
24071281638783440052
57625272875592
1344

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Last modified September 28 10:48 EDT 2021. Contains 347714 sequences. (Running on oeis4.)