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A275731 as a triangular array

0
00
210
2010
41210
403210
6143210
66543210
870543210
8616543210
107276543210
1063876543210
12749876543210
12125109876543210
1413011109876543210

A275731 as a square array

00224466881010121214
0101016767671213
0123450123450
01234567891011
012345678910
0123456789
012345678
01234567
0123456
012345
01234
0123
012
01
0
00224466881010121214
0101016767671213
0123450123450
01234567891011
012345678910
0123456789
012345678
01234567
0123456
012345
01234
0123
012
01
0