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A160870 as a triangular array

1
11
131
1471
1713151
163540311
11231155121631
18911566513641271
11557600781266710932551
113155400375139061079532805111
11813013952801229321953143435984110231

A160870 as a square array

11111111111
13476128151318
171335319157155130
115401551566004001395
13112165178137512801
1633642667390622932
112710931079519531
1255328043435
15119841
11023
1

A160870 as an upper right triangle

11111111111
13476128151318
171335319157155130
115401551566004001395
13112165178137512801
1633642667390622932
112710931079519531
1255328043435
15119841
11023
1

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Last modified May 23 05:03 EDT 2019. Contains 323508 sequences. (Running on oeis4.)