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A104556 as a triangular array

1
-11
0-31
03-61
0015-101
00-1545-151
000-105105-211
000105-420210-281
0000945-1260378-361
0000-9454725-3150630-451
00000-1039517325-6930990-551
0000010395-6237051975-138601485-661

A104556 as a square array

1-10000000000
1-3300000000
1-615-15000000
1-1045-1051050000
1-15105-420945-94500
1-21210-12604725-1039510395
1-28378-315017325-62370
1-36630-693051975
1-45990-13860
1-551485
1-66
1
1-10000000000
1-3300000000
1-615-15000000
1-1045-1051050000
1-15105-420945-94500
1-21210-12604725-1039510395
1-28378-315017325-62370
1-36630-693051975
1-45990-13860
1-551485
1-66
1