# A033289 (b-file synthesized from sequence entry) 1 6 2 264 3 45408 4 10177920 5 9310826880 6 27806077440 7 25437179036160 8 303753589954560 9 277875743791011840 10 14504815632384 11 13269098919960576 12 2534919599177957376 13 2318960803647990104064