-29393domain: ZAppears in sequencesNumerators in expansion of sqrt(1+x). Absolute values give numerators in expansion of sqrt(1-x).at n=12A002596Expansion of Product_{m>=1} (1+m*q^m)^-17.at n=7A022709Numerator of Maclaurin expansion of (t*sqrt(t^2+1) + arcsinh(t))/2, the arc length of Archimedes' spiral.at n=12A091154