# A246566 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 10 5 24 6 62 7 155 8 396 9 992 10 2504 11 6228 12 15512 13 38220 14 94059 15 229498 16 558642 17 1350384 18 3255138 19 7801327 20 18642118 21 44329833 22 105111283 23 248184255 24 584396849 25 1371048495 26 3208318247 27 7483522231 28 17413665881 29 40405120865 30 93543352492