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A015109 as a triangular array

1
11
1-11
1331
1-515-51
1115555111
1-21231-385231-211
14390333113311903431
1-853655-2558556287-255853655-851
117114535208335875007875007208335145351711
1-34158311

A015109 as a square array

11111111111
1-13-511-2143-85171-341
13155523190336551453558311
1-555-3853311-25585208335
111231331156287875007
1-21903-25585875007
1433655208335
1-8514535
1171
1
11111111111
1-13-511-2143-85171-341
13155523190336551453558311
1-555-3853311-25585208335
111231331156287875007
1-21903-25585875007
1433655208335
1-8514535
1171
1