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A123878 as a triangular array

1
01
-101
-1-301
0-3-501
13-5-701
1910-7-901
052521-9-1101
-1-954936-11-1301
-1-18-50-78155-13-1501
0-7-70-147-3912178-15-1701

A123878 as a square array

10-1-10110-1-10
10-3-3395-9-18-7
10-5-510255-50-70
10-7-72149-7-147
10-9-93681-39
10-11-1155121
10-13-1378
10-15-15
10-17
10
1

A123878 as an upper right triangle

10-1-10110-1-10
10-3-3395-9-18-7
10-5-510255-50-70
10-7-72149-7-147
10-9-93681-39
10-11-1155121
10-13-1378
10-15-15
10-17
10
1

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)