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A252321 as a triangular array

1557
24982498
419719744197
7815191819187815
1526925792493257915269
28883502960116011502928883
56052104481882023422188201044856052
111752258756291597191971916291525875111752
222145

A252321 as a square array

1557249841977815152692888356052111752222145
249819741918257950291044825875
41971918249360111882062915
7815257960112342297191
1526950291882097191
288831044862915
5605225875
111752

A252321 as an upper right triangle

1557249841977815152692888356052111752222145
249819741918257950291044825875
41971918249360111882062915
7815257960112342297191
1526950291882097191
288831044862915
5605225875
111752

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Last modified September 25 06:19 EDT 2022. Contains 356959 sequences. (Running on oeis4.)