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A030237 as a triangular array

1
12
135
14914
15142842
16204890132
172775165297429
183511027557210011430
19441544291001200234324862

A030237 as a square array

111111111
23456789
591420273544
14284875110154
4290165275429
1322975721001
42910012002
14303432
4862

A030237 as an upper right triangle

111111111
23456789
591420273544
14284875110154
4290165275429
1322975721001
42910012002
14303432
4862

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Last modified August 21 03:54 EDT 2018. Contains 313931 sequences. (Running on oeis4.)