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A209555 as a triangular array

1
11
221
2531
36941
311131451
41228242061
4193459402771
5206280110623581
52970164166188914491
63011520037631430112854101
641125365496776

A209555 as a square array

112233445566
125611121920293041
1391328346270115125
1414245980164200365
152040110166376496
162762188314776
173591301
1844128
1954
110
1

A209555 as an upper right triangle

112233445566
125611121920293041
1391328346270115125
1414245980164200365
152040110166376496
162762188314776
173591301
1844128
1954
110
1

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Last modified November 27 01:16 EST 2021. Contains 349344 sequences. (Running on oeis4.)