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A205550 as a triangular array

1
33
515
710107
9351359
118421218411
13165126112616513
15286462363646228615
1745512873301330128745517
196803003171655551716300368019
2196961886435715

A205550 as a square array

13579111315171921
31103584165286455680969
510121126462128730036188
7352113633017166435
98412636155715
1116546233055
1328612871716
154553003
17680
19

A205550 as an upper right triangle

13579111315171921
31103584165286455680969
510121126462128730036188
7352113633017166435
98412636155715
1116546233055
1328612871716
154553003
17680
19

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Last modified January 22 19:45 EST 2022. Contains 350504 sequences. (Running on oeis4.)