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A263545 as a triangular array

20
124124
8843328884
296032284322842960
43808692605170478469260543808
12857612621312263616642636166412621312128576
18458242001118816446653792

A263545 as a square array

201248842960438081285761845824
12433283228469260512621312200111881
884322841704784263616646446653792
296069260526361664
4380812621312
128576

A263545 as an upper right triangle

201248842960438081285761845824
12433283228469260512621312200111881
884322841704784263616646446653792
296069260526361664
4380812621312
128576

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)