# A370248 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 16 4 67 5 276 6 1200 7 5293 8 23427 9 104425 10 468428 11 2110725 12 9546256 13 43315546 14 197088195 15 898910916 16 4108495491 17 18812770011 18 86285313327 19 396332663094 20 1822878714492 21 8394131895424 22 38696042930251 23 178561943852670 24 824720550229584 25 3812313399877776