# A045969 (b-file synthesized from sequence entry) 1 6 2 15 3 35 4 225 5 77 6 525 7 143 8 3375 9 1225 10 1155 11 221 12 7875 13 323 14 2145 15 2695 16 50625 17 437 18 18375 19 667 20 17325 21 5005 22 3315 23 899 24 118125 25 5929 26 4845 27 42875 28 32175 29 1147 30 40425 31 1517 32 759375 33 7735 34 6555 35 11011 36 275625 37 1763 38 10005 39 11305 40 259875 41 2021 42 75075