# A048094 (b-file synthesized from sequence entry) 1 0 2 0 3 1 4 2 5 6 6 13 7 25 8 45 9 91 10 175 11 322 12 570 13 975 14 1617 15 2607 16 7425 17 12753 18 21385 19 35065 20 56302 21 88638 22 136986 23 208050 24 310840 25 1251606 26 1973706 27 3065931 28 4694921 29 7092211 30 10575635 31 15576535 32 22674015 33 32637675 34 46480475