OFFSET
0,2
LINKS
Alexander Kalmynin, Petr Kosenko, Orthorecursive expansion of unity, arXiv:1901.04044 [math.NT], 2019.
EXAMPLE
The sequence c(n) begins: 1, -3/2, 5/24, 77/720, 277/4480, 140173/3628800, ...
PROG
(PARI) lista(nn) = {my(c0 = 1, vc = vector(nn)); for (n=1, nn, vc[n] = -(2*n+1)*(c0/(n+1) + sum(k=1, n-1, vc[k]/(n+k+1))); ); apply(x->numerator(x), concat([c0], vc)); }
CROSSREFS
KEYWORD
sign,frac
AUTHOR
Michel Marcus, Jan 16 2019
STATUS
approved