# A132449 (b-file synthesized from sequence entry) 1 3 2 7 3 11 4 19 5 37 6 67 7 131 8 285 9 529 10 1033 11 2053 12 4179 13 8219 14 16427 15 32771 16 65581 17 131081 18 262183 19 524327 20 1048585 21 2097157 22 4194307 23 8388641 24 16777243 25 33554441 26 67108935 27 134217767 28 268435465 29 536870917 30 1073741907 31 2147483657