# A343136 (b-file synthesized from sequence entry) 1 1 2 5 3 45 4 315 5 585 6 2205 7 2925 8 9945 9 17325 10 28665 11 45045 12 135135 13 225225 14 405405 15 675675 16 1576575 17 2027025 18 2297295 19 3828825 20 6891885 21 11486475 22 26801775 23 34459425 24 43648605 25 72747675 26 130945815 27 218243025 28 509233725 29 654729075 30 1003917915 31 1527701175 32 3011753745 33 4583103525