**Follow n+2 by n. Also solution of a(n+2)=a(n)+1, a(0)=2, a(1)=0.**

*2, 0, 3, 1, 4, 2, 5, 3, 6, 4, 7, 5, 8, 6, 9, 7, 10, 8, 11, 9, 12, 10, 13, 11, 14, 12, 15, 13, 16*

*2 seqfan posts*

Index of A-numbers in seqfan: by ascending order by month by frequency by keyword

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