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A210871 as a triangular array

1
12
113
1325
12738
14515513
13121030821
1593120581334
14182273381092155
16145451162712013489
15254014511134413036555144
172085105361233

A210871 as a square array

111111111111
21324354657
327512918142520
5315103122544085
8530207351145105
1385838162111361
211310971344233
3421201130
5534365
8955
144
111111111111
21324354657
327512918142520
5315103122544085
8530207351145105
1385838162111361
211310971344233
3421201130
5534365
8955
144

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Last modified September 19 09:52 EDT 2024. Contains 376008 sequences. (Running on oeis4.)