# A193650 (b-file synthesized from sequence entry) 0 1 1 0 2 3 3 7 4 10 5 31 6 24 7 127 8 136 9 292 10 352 11 2047 12 1664 13 8191 14 5504 15 9664 16 32896 17 131071 18 116736 19 524287 20 419840 21 603904 22 1398784 23 8388607 24 7897088 25 17318416