# A344039 (b-file synthesized from sequence entry) 0 1 1 6 2 24 3 96 4 354 5 1326 6 4926 7 18210 8 67326 9 247722 10 910728 11 3341904 12 12249210 13 44852280 14 164073078 15 599739906 16 2190683418 17 7997186088 18 29178065364 19 106405678806 20 387867574110 21 1413283574238