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A208510 as a triangular array

1
11
131
1541
17951
19161461
11125302071
1133655502781
1154991105773591
1176414019618211244101
1198120433637829415654111
12110028554071467245021065121

A208510 as a square array

111111111111
13579111315171921
149162536496481100
1514305591140204285
162050105196336540
172777182378714
1835112294672
1944156450
11054210
11165
112
1

A208510 as an upper right triangle

111111111111
13579111315171921
149162536496481100
1514305591140204285
162050105196336540
172777182378714
1835112294672
1944156450
11054210
11165
112
1

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Last modified October 20 02:10 EDT 2019. Contains 328244 sequences. (Running on oeis4.)