# A261056 (b-file synthesized from sequence entry) 0 2 1 8 2 27 3 84 4 248 5 708 6 1973 7 5400 8 14574 9 38896 10 102863 11 269964 12 703972 13 1825612 14 4711785 15 12110064 16 31010266 17 79148184 18 201420163 19 511233156 20 1294489296 21 3270662036 22 8247316765 23 20758752648 24 52163239622 25 130875524096 26 327893289783 27 820410399804 28 2050189683644