# A218600 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 4 4 7 5 12 6 21 7 38 8 68 9 122 10 220 11 399 12 729 13 1343 14 2493 15 4655 16 8727 17 16405 18 30901 19 58319 20 110298 21 209098 22 397407 23 757296 24 1446945 25 2771951 26 5323982 27 10250571 28 19780122 29 38243220 30 74058513 31 143592684 32 278661808 33 541110611 34 1051158027 35 2042539460 36 3969857205