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A137252 as a triangular array

1
01
001
0011
00041
0004111
000133261
000042171571
0000265077181201
00008840401726822471
00001865128662553193275021
00000584268311380801419043097310131

A137252 as a square array

100000000000
10000000000
1100000000
144100000
111334226810
126171507840865584
15771840171286626831
1120268225531138080
12479327141904
150230973
11013
1
100000000000
10000000000
1100000000
144100000
111334226810
126171507840865584
15771840171286626831
1120268225531138080
12479327141904
150230973
11013
1