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A086884 as a simple table

na(n)
210
310
4101111
510010111
6111110100001
7111110100001
811000011101101111
910011110011011110110110011
10110100000010101111110001010011001110001
111000000010000011110100010001000101001010110111001
1210100001011000101000110101011011011101111110100101011

[10,10,101111,10010111,111110100001,111110100001,
 11000011101101111,10011110011011110110110011,
 110100000010101111110001010011001110001,
 1000000010000011110100010001000101001010110111001,
 10100001011000101000110101011011011101111110100101\
 011]