# A123341 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 3 5 6 6 11 7 22 8 42 9 81 10 156 11 312 12 613 13 1226 14 2430 15 4818 16 9555 17 19110 18 38064 19 76128 20 151944 21 303275 22 605324 23 1210648 24 2418866 25 4832914 26 9656273 27 19293436 28 38548808 29 77097616 30 154119104 31 308238208 32 616324472 33 1232345669 34 2464086014