# A148545 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 5 4 19 5 45 6 173 7 469 8 1915 9 5659 10 23407 11 73243 12 310175 13 1013731 14 4337131 15 14639923 16 63383137 17 219607045 18 958081677 19 3390264805 20 14897264533 21 53646021617 22 237065064241 23 866461879503 24 3847927301399 25 14243170102087 26 63522243469947 27 237734050804415 28 1064177906517043 29 4021244623026059