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A121441 as a triangular array

1
-41
3-61
-129-91
-117-2626-131
-1656-216-6963-181
-28506-3396-294-212132-241
-578274-63116-5766-124-620248-311
-13504179-1365546-116116-88921170-1612429-391
-356633784-33696726-2696316-186860-150006228-3736

A121441 as a square array

1-43-12-117-1656-28506-578274-13504179-356633784
1-69-26-216-3396-63116-1365546-33696726
1-926-69-294-5766-116116-2696316
1-1363-212-124-8892-186860
1-18132-6201170-15000
1-24248-16126228
1-31429-3736
1-39
1
1-43-12-117-1656-28506-578274-13504179-356633784
1-69-26-216-3396-63116-1365546-33696726
1-926-69-294-5766-116116-2696316
1-1363-212-124-8892-186860
1-18132-6201170-15000
1-24248-16126228
1-31429-3736
1-39
1