# A344210 (b-file synthesized from sequence entry) 1 1 2 3 3 13 4 120 5 781 6 22932 7 137257 8 4177920 9 64566801 10 2497558338 11 28531167061 12 2228476723200 13 25239592216021 14 1851888100411464 15 54736732481116543 16 2305807824841605120 17 51702516367896047761 18 6557709646516945221396 19 109912203092239643840221