# A111926 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 0 4 1 5 5 6 15 7 36 8 78 9 162 10 331 11 671 12 1353 13 2718 14 5448 15 10908 16 21829 17 43673 18 87363 19 174744 20 349506 21 699030 22 1398079 23 2796179 24 5592381 25 11184786 26 22369596 27 44739216 28 89478457 29 178956941 30 357913911 31 715827852 32 1431655734 33 2863311498