# A053651 (b-file synthesized from sequence entry) 1 1 2 3 3 5 4 8 5 13 6 18 7 27 8 37 9 51 10 70 11 96 12 130 13 176 14 232 15 296 16 380 17 490 18 620 19 793 20 1019 21 1277 22 1624