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A209664 as a triangular array

1
26
31439
534129356
77439914444055
11166124558762045557786
15350378323604102455347010983535
2274611514948525132302083902688798619520264
3015463473437990825672301250547048219486156167944441967518

A209664 as a square array

1235711152230
61434741663507461546
39129399124537831151434734
356144458762360494852379908
4055204551024555132302567230
57786347010208390212505470
983535688798648219486
19520264156167944
441967518

A209664 as an upper right triangle

1235711152230
61434741663507461546
39129399124537831151434734
356144458762360494852379908
4055204551024555132302567230
57786347010208390212505470
983535688798648219486
19520264156167944
441967518

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Last modified October 1 15:55 EDT 2020. Contains 337443 sequences. (Running on oeis4.)