# A325920 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 1 4 3 5 7 6 15 7 31 8 63 9 128 10 262 11 545 12 1161 13 2547 14 5767 15 13456 16 32202 17 78544 18 194016 19 482726 20 1204874 21 3008782 22 7505420 23 18689551 24 46454971 25 115296751 26 285886839 27 708673484 28 1757339598 29 4361894604 30 10841959912