# A000439 (b-file synthesized from sequence entry) 1 9 2 30 3 69 4 133 5 230 6 369 7 560 8 814 9 1143 10 1560 11 2079 12 2715 13 3484 14 4403 15 5490 16 6764 17 8245 18 9954 19 11913 20 14145 21 16674 22 19525 23 22724 24 26298 25 30275 26 34684 27 39555 28 44919 29 50808 30 57255 31 64294 32 71960 33 80289 34 89318 35 99085 36 109629 37 120990 38 133209 39 146328 40 160390 41 175439 42 191520 43 208679