68668domain: NAppears in sequencesNumbers with digits 6 and 8 only.at n=39A284635Expansion of Product_{k>0} theta_3(q^(2*k-1))/theta_3(q^(2*k)), where theta_3() is the Jacobi theta function.at n=45A321026Number of partitions in all twice partitions of n where both partitions are strict.at n=24A327553