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A212536 as a triangular array

1
21
321
4331
54531
657541
76810841
87111215851
98121721151251
10914183021241261
11101623334033291661
1211182646446940391671
1312193053648391

A212536 as a square array

12345678910111213
123456789101112
13578111214161819
13510121718232630
148152130334653
1481521404464
151224336983
1512294091
161639
1616
17
1

A212536 as an upper right triangle

12345678910111213
123456789101112
13578111214161819
13510121718232630
148152130334653
1481521404464
151224336983
1512294091
161639
1616
17
1

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Last modified November 30 04:28 EST 2021. Contains 349418 sequences. (Running on oeis4.)