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A209698 as a triangular array

1
22
344
47108
511202416
61635545632
7225610414012864
82984181294352288128
937120293552800864640256
10461654499571610211220801408512
11562206591562

A209698 as a square array

1234567891011
24711162229374656
41020355684120165220
82454104181293449659
16561402945529571562
321283528001610
642888642112
1286402080
2561408
512
1234567891011
24711162229374656
41020355684120165220
82454104181293449659
16561402945529571562
321283528001610
642888642112
1286402080
2561408
512