login

A172283 as a triangular array

1
-911
-9211
-9-71311
-9-1662411
-9-25-10303511
-9-34-3520654611
-9-43-69-15851115711
-9-52-112-84701961686811
-9-61-164-196-142663642367911

A172283 as a square array

1-9-9-9-9-9-9-9-9-9
112-7-16-25-34-43-52-61
11136-10-35-69-112-164
11243020-15-84-196
1135658570-14
1146111196266
1157168364
1168236
1179
11
1-9-9-9-9-9-9-9-9-9
112-7-16-25-34-43-52-61
11136-10-35-69-112-164
11243020-15-84-196
1135658570-14
1146111196266
1157168364
1168236
1179
11