92713domain: NAppears in sequencesNumerators of coefficients in function a(x) such that a(a(x)) = sinh(x).at n=5A048606a(n) = 3*a(n-1) - 2*a(n-2) - a(n-3) + a(n-4) with n>3, a(0)=1, a(1)=2, a(2)=3, a(3)=6.at n=22A131269Number of integer compositions of n that are the first sums of some composition with all parts > 1.at n=47A391235