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A209557 as a triangular array

1
11
231
2771
3918151
3163041311
418608788631
428781892321831271
5301362855355853742551
543160541931141014187575111
64525570518862808353433391524

A209557 as a square array

11223344556
1379161828304345
1718306078136160255
1154187189285541705
131882325359311886
16318358514102808
112737414183534
12557573339
15111524
1

A209557 as an upper right triangle

11223344556
1379161828304345
1718306078136160255
1154187189285541705
131882325359311886
16318358514102808
112737414183534
12557573339
15111524
1

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Last modified October 23 11:46 EDT 2021. Contains 348212 sequences. (Running on oeis4.)