OFFSET
1,3
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..200
Luis Ferroni and Matt Larson, Kazhdan-Lusztig polynomials of braid matroids, arXiv:2303.02253 [math.CO], 2023.
FORMULA
PROG
(PARI) seq(n) = Vec(serlaplace( -1 + subst(exp(2*x + intformal(-x + 2*serreverse(1 + 2*x - exp(x + O(x^n))))), x, log(1 + x + O(x*x^n)))/(1 + x) ))
CROSSREFS
KEYWORD
nonn
AUTHOR
Andrew Howroyd, Mar 09 2023
STATUS
approved