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A253961 as a triangular array

512
29922992
165442086816544
8206414280014833282064
423232102275215017241048679423232
21544967533252159463601618676877770962154496
1124467255225242167174472240903042168988280

A253961 as a square array

51229921654482064423232215449611244672
2992208681428001022752753325255225242
16544148332150172415946360167174472
82064104867916186768240903042
4232327777096168988280
2154496

A253961 as an upper right triangle

51229921654482064423232215449611244672
2992208681428001022752753325255225242
16544148332150172415946360167174472
82064104867916186768240903042
4232327777096168988280
2154496

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Last modified November 27 04:07 EST 2020. Contains 338677 sequences. (Running on oeis4.)