**a(n) = numerator of sum( binomial(2n-i-1,i-1)/i ,i=1..n).**

*1, 3, 17, 23, 61, 107, 421, 1103, 5777, 7563, 19801, 103681, 135721, 355323*

*1 seqfan posts*

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

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