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A278553 as a triangular array

0
00
4704
651531153165
4562540212456425402456
2128385040620777462077743850402128
77284880813256173362111645606125617336248808137728
23607504764589647190761157222953688157222953688

A278553 as a square array

004654562128772823607
070153125402385040488081350476458
4153112456462077742561733629647190761
652540262077741116456061157222953688
456385040256173362157222953688
21284880813
7728

A278553 as an upper right triangle

004654562128772823607
070153125402385040488081350476458
4153112456462077742561733629647190761
652540262077741116456061157222953688
456385040256173362157222953688
21284880813
7728

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Last modified November 26 20:36 EST 2021. Contains 349343 sequences. (Running on oeis4.)