# A148444 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 6 4 16 5 47 6 157 7 517 8 1754 9 6284 10 22342 11 82117 12 305289 13 1145162 14 4369073 15 16760959 16 64992835 17 253932749 18 998432537 19 3953538052 20 15737751848 21 62980503415 22 253282002983 23 1022864094559 24 4148173714710 25 16884795747618 26 68964936191558 27 282616900004462 28 1161546491366627 29 4787684370830771