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A174740 as a triangular array

1
12
220
3400
5600-5
71000-50
111400-100-7
152200-150-70
223000-250-1400
304400-350-21000
426000-550-350000
568400-750-49000012

A174740 as a square array

112357111522304256
224610142230446084
0000000000
000000000
-5-5-10-15-25-35-55-75
0000000
-7-7-14-21-35-49
00000
0000
000
00
12
112357111522304256
224610142230446084
0000000000
000000000
-5-5-10-15-25-35-55-75
0000000
-7-7-14-21-35-49
00000
0000
000
00
12