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A058940 as a triangular array

1
-12
0-11
10-64
010-21
-1050-52
0-3050-31
170-840700-288
0170-280140-41
-3101530-1260420-92
0-15502550-1260300-51
6910-3410028050-92401650-224
020730-3410016830-3960550-6

A058940 as a square array

1-1010-10170-3106910
2-1010-30170-15502073
1-6050-8401530-34100
4-2050-2802550-3410
1-50700-126028050
2-30140-12601683
1-280420-9240
8-40300-396
1-901650
2-5055
1-220
4-6
1-1010-10170-3106910
2-1010-30170-15502073
1-6050-8401530-34100
4-2050-2802550-3410
1-50700-126028050
2-30140-12601683
1-280420-9240
8-40300-396
1-901650
2-5055
1-220
4-6