71188domain: NAppears in sequencesColumn 6 of triangle A123610.at n=6A123616Central terms of triangle A123610: a(n) = A123610(2*n,n).at n=6A123617Sum_{k>0} (n mod k) * 2^(n-k).at n=18A178924G.f.: q-sinh(x) evaluated at q=-x.at n=44A198202G.f.: Product_{k >= 0} ((1 + x^(2*k+1)) / (1 - x^(2*k+1)))^k.at n=37A361008