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A107870 as a triangular array

1
31
1041
562151
4951653661
618818203645571
1009472633448456807881
20358004750208073010626114010591
48903492102954721623160201376204751771136101
1362649145260932815

A107870 as a square array

13105649561881009472035800489034921362649145
142116518202633447502010295472260932815
15363644845807301623160
165568010626201376
1778114020475
181051771
19136
110
1
13105649561881009472035800489034921362649145
142116518202633447502010295472260932815
15363644845807301623160
165568010626201376
1778114020475
181051771
19136
110
1

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Last modified September 20 05:40 EDT 2024. Contains 376016 sequences. (Running on oeis4.)