# A303449 (b-file synthesized from sequence entry) 0 1 1 7 2 31 3 127 4 511 5 2047 6 8191 7 32767 8 131071 9 524287 10 299593 11 8388607 12 33554431 13 134217727 14 536870911 15 2147483647 16 8589934591 17 34359738367 18 137438953471 19 549755813887 20 2199023255551 21 8796093022207 22 35184372088831 23 140737488355327 24 562949953421311 25 2251799813685247