# A054911 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 10 2 11 2 12 3 13 3 14 4 15 5 16 6 17 9 18 13 19 16 20 28 21 40 22 68 23 117 24 273 25 665 26 2566 27 17059 28 374062