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A174447 as a triangular array

1
11
121
1331
13431
136631
14911941
141219191241
15152937291551
1519436565431951
162361107128107612361
162884167233233167842861

A174447 as a square array

111111111111
12333445566
134691215192328
136111929436184
139193765107167
14122965128233
141543107233
151961167
152384
1628
16
1

A174447 as an upper right triangle

111111111111
12333445566
134691215192328
136111929436184
139193765107167
14122965128233
141543107233
151961167
152384
1628
16
1

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Last modified November 29 01:40 EST 2021. Contains 349416 sequences. (Running on oeis4.)