# A213710 (b-file synthesized from sequence entry) 0 1 1 2 2 3 3 5 4 8 5 13 6 22 7 39 8 69 9 123 10 221 11 400 12 730 13 1344 14 2494 15 4656 16 8728 17 16406 18 30902 19 58320 20 110299 21 209099 22 397408 23 757297 24 1446946 25 2771952 26 5323983 27 10250572 28 19780123 29 38243221 30 74058514 31 143592685 32 278661809 33 541110612 34 1051158028 35 2042539461 36 3969857206