# A092497 (b-file synthesized from sequence entry) 0 1 1 1 2 5 3 16 4 64 5 196 6 661 7 1921 8 5431 9 14106 10 35006 11 81858 12 183616 13 393568 14 813916 15 1624114 16 3143974 17 5910904 18 10831414 19 19369614 20 33887006 21 58069748 22 97645340 23 161289668 24 262066349 25 419245385 26 661069025 27 1028234130 28 1578996010 29 2395570650 30 3593235173