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A218853 as a triangular array

1
-12
1-66
01-32
-1030-6030
0-1010-156
10-210105-12642
010-7021-216
-10200-700140-12030
0-30200-42060-4510
50-9903300-4620495-33066
050

A218853 as a square array

1-110-1010-1050
2-610-1010-305
6-3300-210200-990
2-60100-70200
30-151050-700330
6-126210-420
42-211400-462
6-120600
30-45495
10-330
66
1-110-1010-1050
2-610-1010-305
6-3300-210200-990
2-60100-70200
30-151050-700330
6-126210-420
42-211400-462
6-120600
30-45495
10-330
66