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A117256 as a triangular array

1
11
-1051
750-250251
-32812593750-62501251
779296875-20507812511718750-1562506251
-97412109375002435302734375-1281738281251464843750-390625031251
630569458007812500-1522064208984375007610321044921875

A117256 as a square array

11-10750-328125779296875-9741210937500630569458007812500
15-25093750-2050781252435302734375-152206420898437500
125-625011718750-1281738281257610321044921875
1125-1562501464843750
1625-3906250
13125
1
11-10750-328125779296875-9741210937500630569458007812500
15-25093750-2050781252435302734375-152206420898437500
125-625011718750-1281738281257610321044921875
1125-1562501464843750
1625-3906250
13125
1