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A022170 as a triangular array

1
11
171
143431
125915912591
11555575355753515551
19331207281512485095207281593311
155987746306712698853335269885333574630671559871
1335923

A022170 as a square array

111111111
17432591555933155987335923
143159157535207281574630671
125957535124850952698853335
1155520728152698853335
1933174630671
155987
1

A022170 as an upper right triangle

111111111
17432591555933155987335923
143159157535207281574630671
125957535124850952698853335
1155520728152698853335
1933174630671
155987
1

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Last modified November 21 13:48 EST 2014. Contains 249778 sequences.