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A152720 as a triangular array

-1
1-1
3-1-1
5-3-1-1
7-5-3-1-1
11-7-5-3-1-1
13-11-7-5-3-1-1
17-13-11-7-5-3-1-1
19-17-13-11-7-5-3-1-1
23-19-17-13-11-7-5-3-1-1
29-23-19-17-13-11-7-5-3-1-1

A152720 as a square array

-11357111317192329
-1-1-3-5-7-11-13-17-19-23
-1-1-3-5-7-11-13-17-19
-1-1-3-5-7-11-13-17
-1-1-3-5-7-11-13
-1-1-3-5-7-11
-1-1-3-5-7
-1-1-3-5
-1-1-3
-1-1
-1

A152720 as an upper right triangle

-11357111317192329
-1-1-3-5-7-11-13-17-19-23
-1-1-3-5-7-11-13-17-19
-1-1-3-5-7-11-13-17
-1-1-3-5-7-11-13
-1-1-3-5-7-11
-1-1-3-5-7
-1-1-3-5
-1-1-3
-1-1
-1

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Last modified October 19 04:40 EDT 2019. Contains 328211 sequences. (Running on oeis4.)