# A152909 (b-file synthesized from sequence entry) 0 1 1 2 2 3 3 5 4 8 5 12 6 20 7 34 8 57 9 98 10 170 11 300 12 536 13 966 14 1754 15 3210 16 5910 17 10944 18 20366 19 38064 20 71421 21 134480 22 254016 23 481176 24 913846 25 1739680 26 3318996 27 6344666 28 12150874 29 23310032 30 44787927 31 86181405 32 166057045 33 320370847 34 618821160