# A293047 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 3 4 4 5 15 6 26 7 63 8 120 9 255 10 502 11 1023 12 2036 13 4095 14 8178 15 16383 16 32752 17 65535 18 131054 19 262143 20 524268 21 1048575 22 2097130 23 4194303 24 8388584 25 16777215 26 33554406 27 67108863 28 134217700 29 268435455 30 536870882 31 1073741823 32 2147483616 33 4294967295 34 8589934558