# A025244 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 2 5 4 6 10 7 22 8 52 9 130 10 326 11 832 12 2162 13 5674 14 15032 15 40178 16 108154 17 292956 18 797994 19 2184430 20 6006028 21 16579138 22 45929838 23 127656504 24 355863330 25 994735442 26 2787537904 27 7829586914 28 22038759218 29 62158281844 30 175636481738 31 497142172806 32 1409444977380