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A209700 as a triangular array

1
22
324
4288
52141616
6222264032
723238788864
824452134178200128
925868212310446440256
10274863164928461042968512
11292106450732145220622462

A209700 as a square array

1234567891011
2222222222
4814223244587492
8162638526886106
164078134212316450
3288178310492732
642004468461452
12844010422062
2569682462
512

A209700 as an upper right triangle

1234567891011
2222222222
4814223244587492
8162638526886106
164078134212316450
3288178310492732
642004468461452
12844010422062
2569682462
512

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Last modified August 4 21:21 EDT 2021. Contains 346455 sequences. (Running on oeis4.)