105299domain: NAppears in sequencesExpansion of (1-2*x^2)/((1-2*x)*(1+x-x^2)).at n=18A099163Triangle read by rows, a generalization of the Eulerian numbers based on Nielsen's generalized polylogarithm (case m = 2).at n=41A142249Column 4 of A142249.at n=5A293562