# A019177 (b-file synthesized from sequence entry) 3 0 4 2 5 2 6 3 7 8 8 16 9 38 10 93 11 226 12 536 13 1300 14 3288 15 8030 16 19994 17 51284 18 130110 19 333128 20 862656 21 2238494 22 5849827 23 15347500 24 40380267 25 106781828 26 282965437 27 750949846 28 1998509165 29 5327291162 30 14217409545 31 38009367066