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A022166 as a triangular array

1
11
131
1771
11535151
131155155311
1636511395651631
11272667118111181126671271
1255107959715520078797155107952551
151143435788035

A022166 as a square array

1111111111
137153163127255511
173515565126671079543435
11515513951181197155788035
13165111811200787
163266797155
112710795
1255
1

A022166 as an upper right triangle

1111111111
137153163127255511
173515565126671079543435
11515513951181197155788035
13165111811200787
163266797155
112710795
1255
1

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Last modified August 28 18:07 EDT 2015. Contains 261154 sequences.