-189232domain: ZAppears in sequencesTriangle T(n,k) which contains 8*n!*2^floor((n+1)/2) times the coefficient [t^n x^k] exp(t*x)/(7 + exp(4*t)) in row n, column k.at n=37A171684Polylogarithm li(-n,-1/7) multiplied by (8^(n+1))/7.at n=7A213130