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A344686 as a triangular array

0
1-1
4-1-4
91-5-9
165-4-11-16
2511-1-11-19-25
36194-9-20-29-36
492911-5-19-31-41-49
6441201-16-31-44-55-64
8155319-11-29-45-59-71-81
100714419-4-25-44-61-76-89-100

A344686 as a square array

0149162536496481100
-1-115111929415571
-4-5-4-1411203144
-9-11-11-9-51919
-16-19-20-19-16-11-4
-25-29-31-31-29-25
-36-41-44-45-44
-49-55-59-61
-64-71-76
-81-89
-100
0149162536496481100
-1-115111929415571
-4-5-4-1411203144
-9-11-11-9-51919
-16-19-20-19-16-11-4
-25-29-31-31-29-25
-36-41-44-45-44
-49-55-59-61
-64-71-76
-81-89
-100