# A331488 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 1 5 1 6 2 7 3 8 6 9 10 10 20 11 36 12 70 13 134 14 263 15 513 16 1022 17 2030 18 4076 19 8203 20 16614 21 33738 22 68833 23 140796 24 288989 25 594621 26 1226781 27 2536532 28 5256303 29 10913196 30 22700682 31 47299699 32 98714362 33 206323140 34 431847121 35 905074333 36 1899247187 37 3990145833 38 8392281473