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A071020 as a triangular array

1
11
-11-1
1-1-11
-1111-1
5-1-1-1-15
-69151115-691
7-691-1-1-1-1-6917
-361776915156917-3617
43867-3617-7-691-1-1-691-7-361743867
-1746114386736171691256911361743867-174611
854513-174611

A071020 as a square array

11-11-15-6917-361743867-174611854513
11-11-15-6917-361743867-174611
-1-11-11-1691-73617
11-11-15-6911
-1-11-11-1691
55-15-125
-691-691691-691691
77-71
-3617-36173617
4386743867
-174611

A071020 as an upper right triangle

11-11-15-6917-361743867-174611854513
11-11-15-6917-361743867-174611
-1-11-11-1691-73617
11-11-15-6911
-1-11-11-1691
55-15-125
-691-691691-691691
77-71
-3617-36173617
4386743867
-174611

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Last modified May 9 07:36 EDT 2021. Contains 343692 sequences. (Running on oeis4.)