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A199656 as a triangular array

1
13
1719
11565175
1312117812101
16366533671152931031
112720591419761741201811543607
12556305589753250891288991408518511012415
151119171242461169098181245713027591193864121253202761

A199656 as a square array

111111111
37153163127255511
19652116652059630519171
17578133671419758975242461
210111529617413250891690981
3103120181112889918124571
543607408518530275911
1101241593864121
253202761
111111111
37153163127255511
19652116652059630519171
17578133671419758975242461
210111529617413250891690981
3103120181112889918124571
543607408518530275911
1101241593864121
253202761