# A024980 (b-file synthesized from sequence entry) 1 1 2 4 3 10 4 23 5 44 6 74 7 118 8 166 9 241 10 328 11 436 12 563 13 718 14 894 15 1095 16 1327 17 1585 18 1891 19 2199 20 2592 21 2987 22 3417 23 3884 24 4406 25 4968 26 5563 27 6234 28 6931 29 7707 30 8519 31 9408 32 10360 33 11315 34 12392 35 13465 36 14665 37 15908 38 17236 39 18616 40 20057 41 21570 42 23153 43 24824 44 26546