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A081371 as a triangular array

0
01
011
0011
00111
012311
0123111
00221411
000210111
0102201511
01022015111
001320174611
0013201746111
01112323411711

A081371 as a square array

00000000000000
1100110011001
111222000111
11332222331
1111122222
114000003
11111112
1155773
111444
11661
1111
117
11
1
00000000000000
1100110011001
111222000111
11332222331
1111122222
114000003
11111112
1155773
111444
11661
1111
117
11
1