# A244061 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 5 4 14 5 36 6 90 7 216 8 507 9 1167 10 2640 11 5895 12 13020 13 28504 14 61937 15 133734 16 287194 17 613842 18 1306594 19 2771010 20 5857670 21 12346641 22 25955890 23 54436999 24 113924438 25 237949763 26 496101303 27 1032606162 28 2146019444 29 4453653132 30 9230534755