# A098808 (b-file synthesized from sequence entry) 0 2037 1 4085 2 8181 3 16373 4 32757 5 65525 6 131061 7 262133 8 524277 9 1048565 10 2097141 11 4194293 12 8388597 13 16777205 14 33554421 15 67108853 16 134217717 17 268435445 18 536870901 19 1073741813 20 2147483637 21 4294967285 22 8589934581 23 17179869173