# A281275 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 7 5 8 6 14 7 19 8 34 9 40 10 55 11 178 12 251 13 314 14 410 15 982 16 1198 17 1604 18 2486 19 2642 20 3928 21 19231 22 24874 23 28850 24 143963