# A143341 (b-file synthesized from sequence entry) 0 1 1 1 2 5 3 26 4 195 5 1303 6 11076 7 81910 8 740151 9 5782175 10 54176573 11 438029432 12 4203769940 13 34798104500 14 339699218160 15 2860590892318 16 28283147265023 17 241296800029199 18 2409437282086511 19 20767852798378330 20 209017295575667771