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A203999 as a triangular array

1
-1-4
-617
2717-1-10
-60-99-36113
10527926965-1-16
-162-593-944-609-106119
2311077240526101218161-1-22
-312-1767-5092-7865-6264-2226-232125
40526999541

A203999 as a square array

1-1-627-60105-162231-312405
-4117-99279-5931077-17672699
7-1-36269-9442405-50929541
-10165-6092610-7865
13-1-1061218-6264
-161161-2226
19-1-232
-221
25
1-1-627-60105-162231-312405
-4117-99279-5931077-17672699
7-1-36269-9442405-50929541
-10165-6092610-7865
13-1-1061218-6264
-161161-2226
19-1-232
-221
25