# A329662 (b-file synthesized from sequence entry) 0 1 1 3 2 5 3 15 4 25 5 73 6 125 7 365 8 625 9 1249 10 3125 11 6245 12 15625 13 31225 14 62497 15 156125 16 312485 17 780625 18 1560001 19 3903125 20 7800005 21 19515625 22 39000025 23 78000049 24 195000125 25 390000245 26 1948441249 27 3905875009 28 7811750017 29 19529375045