# A116419 (b-file synthesized from sequence entry) 0 1 1 1 2 7 3 3 4 31 5 3 6 127 7 85 8 511 9 93 10 2047 11 105 12 8191 13 5461 14 32767 15 3855 16 131071 17 1533 18 524287 19 69905 20 299593 21 182361 22 8388607 23 1118481 24 33554431 25 22369621 26 19173961 27 9256395 28 536870911 29 11545611 30 2147483647 31 1431655765 32 8589934591