# A029891 (b-file synthesized from sequence entry) 1 1 2 3 3 7 4 23 5 70 6 242 7 832 8 2983 9 10759 10 39482 11 145892 12 543877 13 2038831 14 7685211 15 29092055 16 110554267 17 421495147 18 1611676767