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A238012 as a triangular array

0
00
010
0100
01100
014200
01748900
0112310304211900
011712401098091067474493500
012437811655004370702459221593213059676300
013196331494223132796849930131737785237862901210425238021151786700

A238012 as a square array

00000000000
0111111111
0014712172431
00248310124037819633
0093042109809165500414942231
00119106747437070245932796849930
004935221593213013173778523786
0059676329012104252380
00211517867
00
0
00000000000
0111111111
0014712172431
00248310124037819633
0093042109809165500414942231
00119106747437070245932796849930
004935221593213013173778523786
0059676329012104252380
00211517867
00
0