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A256078 as a simple table

na(n)
01
10
21
30
411
510
61
70
8111
9110
10101
11100
1211
1310
141
150
161111
171110
181101
191100
201011
211010
221001
231000
24111
25110
26101
27100
2811
2910
301
310
3211111
3311110
3411101
3511100
3611011
3711010
3811001
3911000
4010111
4110110
4210101
4310100
4410011
4510010
4610001
4710000

[1,0,1,0,11,10,1,0,111,110,101,100,11,10,1,0,1111,
 1110,1101,1100,1011,1010,1001,1000,111,110,101,
 100,11,10,1,0,11111,11110,11101,11100,11011,11010,
 11001,11000,10111,10110,10101,10100,10011,10010,
 10001,10000]