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A219207 as a triangular array

1
11
141
19271
1162162561
12510001000031251
1363375160000759375466561
1499261150062552521875857661218235431
16421952983449616807000003084097945613492928512167772161
18146656

A219207 as a square array

1111111111
149162536496481
1272161000337592612195246656
12561000016000015006259834496
13125759375525218751680700000
1466568576612130840979456
182354313492928512
116777216
1

A219207 as an upper right triangle

1111111111
149162536496481
1272161000337592612195246656
12561000016000015006259834496
13125759375525218751680700000
1466568576612130840979456
182354313492928512
116777216
1

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)