# A059237 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 5 4 16 5 59 6 258 7 1296 8 7362 9 46609 10 325147 11 2477212 12 20460278 13 182076531 14 1736623109 15 17672266151 16 191111489038 17 2188592796698 18 26458831601847 19 336735773968857 20 4500142285227330 21 63007188219787855 22 922312862937555109