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A262551 as a triangular array

1
11
1910
1101910
1405273548252500
14063140756073252500
139535407721350536058027720080000

A262551 as a square array

1111111
19104054063953
10192735314054077
1048257560213505
25007325360580
2500277200
80000

A262551 as an upper right triangle

1111111
19104054063953
10192735314054077
1048257560213505
25007325360580
2500277200
80000

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Last modified July 31 06:15 EDT 2021. Contains 346369 sequences. (Running on oeis4.)