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A263683 as a triangular array

1
12
123
1255
125128
125172613
12517535821
125177015513134
125177027742929555
12517703491009121066289
12517703491658348734571487144
12517703492017

A263683 as a square array

111111111111
22222222222
3555555555
51217171717171717
826537070707070
1358155277349349349
21131429100916582017
3429512103487
556623457
891487
144

A263683 as an upper right triangle

111111111111
22222222222
3555555555
51217171717171717
826537070707070
1358155277349349349
21131429100916582017
3429512103487
556623457
891487
144

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Last modified May 30 08:26 EDT 2024. Contains 372962 sequences. (Running on oeis4.)