# A356062 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 12 5 36 6 252 7 2772 8 52668 9 1211364 10 35129556 11 1089016236 12 44649665676 13 2098534286772 14 417608323067628 15 88115356167269508 16 24760415083002731748 17 7948093241643876891108 18 4140956578896459860267268