# A138289 (b-file synthesized from sequence entry) 1 1 2 3 3 6 4 10 5 11 6 14 7 20 8 30 9 41 10 55 11 75 12 105 13 146 14 201 15 276 16 381 17 527 18 728 19 1004 20 1385 21 1912 22 2640 23 3644 24 5029 25 6941 26 9581 27 13225 28 18254 29 25195 30 34776 31 48001 32 66255 33 91450 34 126226 35 174227 36 240482 37 331932 38 458158 39 632385 40 872867 41 1204799 42 1662957 43 2295342 44 3168209 45 4373008 46 6035965 47 8331307 48 11499516