# A054157 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 3 4 5 5 10 6 17 7 33 8 58 9 109 10 202 11 379 12 720 13 1369 14 2618 15 5031 16 9701 17 18766 18 36387 19 70688 20 137572 21 268208 22 523581 23 1023425 24 2002829 25 3923400 26 7692930 27 15096706 28 29649082 29 58270386 30 114596178 31 225503077 32 443996993 33 874648723 34 1723849033