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A261173 as a simple table

na(n)
011
10
2101
30
40
50
60
710111
80
90
100
11101111
120
130
140
150
160
170
181011001
190
200
210
2211110111
230
2410011101
2510010101
260
270
280
29101111111
30101101111
310
32100100111
33101001001
340
350
360
370
381010111111
391001110111
400
411000011011
421000001011
430
440

[11,0,101,0,0,0,0,10111,0,0,0,101111,0,0,0,0,0,0,
 1011001,0,0,0,11110111,0,10011101,10010101,0,0,0,
 101111111,101101111,0,100100111,101001001,0,0,0,0,
 1010111111,1001110111,0,1000011011,1000001011,0,0]