# A016797 (b-file synthesized from sequence entry) 0 512 1 1953125 2 134217728 3 2357947691 4 20661046784 5 118587876497 6 512000000000 7 1801152661463 8 5429503678976 9 14507145975869 10 35184372088832 11 78815638671875 12 165216101262848 13 327381934393961 14 618121839509504 15 1119130473102767 16 1953125000000000 17 3299763591802133