# A104292 (b-file synthesized from sequence entry) 1 1 2 4 3 40 4 41 5 100 6 101 7 104 8 140 9 141 10 144 11 200 12 201 13 204 14 240 15 241 16 244 17 400 18 401 19 404 20 440 21 441 22 444 23 1000 24 1001