82125domain: NAppears in sequencesGaps of 8 in sequence A038593 (upper terms).at n=31A038656The hyper-Wiener index of the zig-zag polyhex nanotube TUHC_6[2n,2] defined pictorially in Fig. 1 of the Eliasi et al. reference.at n=13A227704Number of 2 X 2 matrices with all elements in {0,...,n} and prime permanent.at n=29A281090