# A348257 (b-file synthesized from sequence entry) 4 6 5 30 6 105 7 315 8 868 9 2268 10 5715 11 14025 12 33726 13 79794 14 186277 15 429975 16 982920 17 2228088 18 5013351 19 11206485 20 24903490 21 55050030 22 121110297 23 265289475 24 578813676 25 1258290900 26 2726297275 27 5888802465 28 12683574918 29 27246198378 30 58384711245 31 124822486575 32 266287971856 33 566935682544