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A371688 as a triangular array

1
-13
5-5025
-611281-2135427
1385-49860174510-11634012465
-505212778655-1667193023340702-8335965555731
2702765-2108156701932476975-46379447403478458555-77299079035135945

A371688 as a square array

1-15-611385-505212702765
3-501281-498602778655-210815670
25-2135174510-166719301932476975
427-11634023340702-4637944740
12465-83359653478458555
555731-772990790
35135945
1-15-611385-505212702765
3-501281-498602778655-210815670
25-2135174510-166719301932476975
427-11634023340702-4637944740
12465-83359653478458555
555731-772990790
35135945