# A164815 (b-file synthesized from sequence entry) 0 1 1 13 2 156 3 1872 4 22464 5 269568 6 3234816 7 38817792 8 465813426 9 5589760176 10 67077110958 11 804925197648 12 9659100765600 13 115909189913088 14 1390910047667712 15 16690917796540416 16 200290980252825462