# A049890 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 3 5 6 6 12 7 24 8 47 9 93 10 188 11 376 12 751 13 1501 14 2999 15 5992 16 11972 17 23921 18 47888 19 95776 20 191551 21 383101 22 766199 23 1532392 24 3064772 25 6129521 26 12258996 27 24517897 28 49035606 29 98070837 30 196140924 31 392280350 32 784557707 33 1569109434