# A320354 (b-file synthesized from sequence entry) 0 1 1 1 2 0 3 1 4 1 5 0 6 1 7 2 8 3 9 0 10 1 11 3 12 16 13 21 14 0 15 1 16 4 17 45 18 416 19 315 20 0 21 1 22 5 23 96 24 2835 25 33280 26 9765 27 0 28 1 29 6 30 175 31 11904 32 722925 33 8053760 34 615195 35 0 36 1 37 7 38 288 39 37625 40 7428096 41 739552275 42 5863137280 43 78129765 44 0 45 1 46 8 47 441 48 98496 49 48724375 50 23205371904 51 3028466566125 52 12816818094080 53 19923090075 54 0