# A057674 (b-file synthesized from sequence entry) 0 -3 1 2 2 5 3 13 4 29 5 61 6 109 7 251 8 509 9 1021 10 2029 11 4093 12 8179 13 16381 14 32749 15 65519 16 131059 17 262139 18 524269 19 1048573 20 2097133 21 4194301 22 8388571 23 16777213 24 33554371 25 67108859 26 134217649 27 268435367 28 536870909 29 1073741783 30 2147483629 31 4294967291 32 8589934513 33 17179869143