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A140216 as a triangular array

1
-11
1-31
-13-21
1-52-51
-15-15-31
1-7103-71
-17-4027-41
134-21-2214-91
-1-31321-26-21109-51
1-121-136626-231-10335-111
-1121-142-66229231-116-332511-6

A140216 as a square array

1-11-11-11-11-11-1
1-33-55-773-3-121121
1-22-11-4413-13-142
1-5500-212166-66
1-332-2-2626229
1-7721-21-231231
1-4410-10-116
1-9933-33
1-5525
1-1111
1-6

A140216 as an upper right triangle

1-11-11-11-11-11-1
1-33-55-773-3-121121
1-22-11-4413-13-142
1-5500-212166-66
1-332-2-2626229
1-7721-21-231231
1-4410-10-116
1-9933-33
1-5525
1-1111
1-6

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Last modified June 15 18:08 EDT 2021. Contains 345049 sequences. (Running on oeis4.)