# A053190 (b-file synthesized from sequence entry) 1 0 2 1 3 2 4 1 5 3 6 7 7 31 8 69 9 31 10 100 11 231 12 562 13 3041 14 12726 15 28493 16 12726 17 41219 18 95164 19 612203 20 1319570 21 8529623 22 52497308 23 218518855 24 489535018 25 218518855 26 708053873 27 1634626601 28 7246560277 29 37867427986 30 82981416249 31 701718757978