# A356619 (b-file synthesized from sequence entry) 0 0 1 1 2 4 3 11 4 25 5 52 6 103 7 198 8 374 9 699 10 1298 11 2401 12 4431 13 8166 14 15037 15 27676 16 50924 17 93685 18 172336 19 316999 20 583077 21 1072472 22 1972611 23 3628226 24 6673378 25 12274287 26 22575966 27 41523709 28 76374043 29 140473802 30 258371641 31 475219576 32 874065112 33 1607656425