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A115381 as a triangular array

1
11
020
1111
01210
011110
0013100
10111101
010131010
0101111010
00111311100
001011110100
0001113111000
00010111101000

A115381 as a square array

11010001000000
1211100110000
012111001100
11131111011
0111311110
001113111
00011131
1101111
011011
00110
0001
000
00
0
11010001000000
1211100110000
012111001100
11131111011
0111311110
001113111
00011131
1101111
011011
00110
0001
000
00
0