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A121298 as a triangular array

1
02
014
0058
0031516
001173932
00015599564
000975175223128
000478269479511256
00016735884512471151512
00004841913002461313525591024
0000294321801

A121298 as a square array

100000000000
21000000000
4531000000
815171594100
1639597578674829
3295175269358419432
6422347984513001801
12851112472461
25611513135
5122559
1024

A121298 as an upper right triangle

100000000000
21000000000
4531000000
815171594100
1639597578674829
3295175269358419432
6422347984513001801
12851112472461
25611513135
5122559
1024

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Last modified April 25 11:30 EDT 2024. Contains 371967 sequences. (Running on oeis4.)