233526463domain: NPropertiesPrimalityPrimeyesAppears in sequencesA sequence related to the period T of a simple gravity pendulum for arbitrary amplitudes.at n=6A223067Numerators of coefficients in the Taylor series expansion of Sum_{n>=0} exp((-1)^n*euler(2*n)*x^n/(2*n)).at n=6A280442Prime numbersat n=12825529