# A003244 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 2 5 3 6 6 7 9 8 16 9 23 10 35 11 51 12 72 13 97 14 136 15 186 16 230 17 321 18 401 19 526 20 647 21 844 22 1000 23 1331 24 1539 25 1960 26 2299 27 2943 28 3307 29 4237 30 4779 31 5961 32 6744 33 8372 34 9239 35 11605 36 12694 37 15549 38 17264 39 21086 40 22784 41 27976 42 30357 43 36598 44 39843 45 47821