# A242880 (b-file synthesized from sequence entry) 1 1729 2 4033 3 8321 4 12801 5 65281 6 130561 7 348161 8 3225601 9 8355841 10 8384513 11 16773121 12 40280065 13 104988673 14 2147418113 15 4294901761 16 4294967297 17 53282340865 18 68719214593 19 137439477761 20 1099510579201 21 1911029760001 22 2199021158401 23 8796097216513 24 281474959933441 25 9007199388958721 26 576460753377165313 27 2305843011361177601 28 18446744073709551617