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A280565 as a simple table

na(n)
01
11
211
31000
41
5111101
611
711110000
8111
91111110000
101
11111111101101
1210011
1311111111010000
1410101
151111111101011111
161100000
17111111111100001111
181100000
1911111111111000001111
20100000
211111111111111110100111
221100000
23111111111111111000000001
2411111101

[1,1,11,1000,1,111101,11,11110000,111,1111110000,
 1,111111101101,10011,11111111010000,10101,
 1111111101011111,1100000,111111111100001111,
 1100000,11111111111000001111,100000,
 1111111111111110100111,1100000,
 111111111111111000000001,11111101]