# A024454 (b-file synthesized from sequence entry) 1 12 2 104 3 501 4 1850 5 5387 6 13766 7 32745 8 69147 9 139064 10 262034 11 459365 12 770636 13 1260649 14 2012385 15 3077153 16 4619337 17 6758716 18 9596887 19 13457219 20 18530319 21 25238829 22 34180656 23 45578224 24 59678562 25 77195101 26 98388801 27 124185886 28 157812794 29 198517033