66376domain: NAppears in sequencesNumbers that are nontrivially palindromic in three or more consecutive integer bases.at n=23A279093Left-hand half of triangle A297193.at n=41A297194Expansion 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=40A321026