# A227615 (b-file synthesized from sequence entry) 0 3 1 4 2 8 3 16 4 31 5 61 6 122 7 244 8 487 9 973 10 1946 11 3892 12 7783 13 15565 14 31130 15 62259 16 124517 17 249033 18 498066 19 996131 20 1992262 21 3984524 22 7969047 23 15938093 24 31876185 25 63752369 26 127504737 27 255009473 28 510018945 29 1020037890 30 2040075780