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A247285 as a triangular array

1
11
131
1571
1719141
193659261
11158150162461
11385300543408791
115117523133517719661331
11715483327475303533521842211
1191961244503112792192721509947673641

A247285 as a square array

11111111111
135791113151719
1719365885117154196
114591503005238331244
126162543133527475031
1464081771530312792
179966533519272
1133218415099
12214767
1364
1
11111111111
135791113151719
1719365885117154196
114591503005238331244
126162543133527475031
1464081771530312792
179966533519272
1133218415099
12214767
1364
1