# A157029 (b-file synthesized from sequence entry) 1 1 2 3 3 7 4 17 5 39 6 89 7 203 8 459 9 1029 10 2299 11 5129 12 11409 13 25273 14 55787 15 122875 16 270239 17 593331 18 1299883 19 2841243 20 6197855 21 13499235 22 29366411 23 63809311 24 138466835 25 300036895 26 649186659 27 1402796793 28 3027908077 29 6529611587 30 14068804905