# A024637 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 3 4 4 5 5 6 40 7 41 8 42 9 43 10 44 11 45 12 420 13 421 14 422 15 423 16 424 17 425 18 4200 19 4201 20 4202 21 4203 22 4204 23 4205 24 4240 25 4241 26 4242 27 4243 28 4244 29 4245 30 42020 31 42021 32 42022 33 42023 34 42024 35 42025 36 42400 37 42401 38 42402 39 42403 40 42404 41 42405 42 42440 43 42441 44 42442 45 42443