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A278343 as a simple table

na(n)
01
11
21
31101
41
5111101
61
711110101
8101
91111110101
10101
11111111110101
12101
1311111111010101
1410101
151111111101010101
161010101
17111111111101010101
181010101
1911111111111101010101
201010101
211111111111111101010101
221010101
23111111111111111101010101
241010101

[1,1,1,1101,1,111101,1,11110101,101,1111110101,
 101,111111110101,101,11111111010101,10101,
 1111111101010101,1010101,111111111101010101,
 1010101,11111111111101010101,1010101,
 1111111111111101010101,1010101,
 111111111111111101010101,1010101]