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A287486 as a simple table

na(n)
01
11
210
310
4100
5100
61010
71010
810100
910100
10101010
11101010
121010101
131010101
1410101010
1510101010
16101010101
17101010101
181010101010
191010101010
2010101010101
2110101010101
22101010110010
23101010110010
241010101001101
251010101001101
2610101011110010

[1,1,10,10,100,100,1010,1010,10100,10100,101010,
 101010,1010101,1010101,10101010,10101010,
 101010101,101010101,1010101010,1010101010,
 10101010101,10101010101,101010110010,101010110010,
 1010101001101,1010101001101,10101011110010]