# A017536 (b-file synthesized from sequence entry) 0 1 1 28561 2 390625 3 1874161 4 5764801 5 13845841 6 28398241 7 52200625 8 88529281 9 141158161 10 214358881 11 312900721 12 442050625 13 607573201 14 815730721 15 1073283121 16 1387488001 17 1766100625 18 2217373921