# A007077 (b-file synthesized from sequence entry) 1 1 2 4 3 10 4 19 5 31 6 47 7 68 8 92 9 120 10 153 11 190 12 232 13 279 14 332 15 392 16 454 17 521 18 593 19 670 20 753 21 841 22 936 23 1036 24 1141 25 1252 26 1370 27 1494 28 1625 29 1763 30 1909 31 2063 32 2216 33 2376 34 2542 35 2713 36 2890 37 3074 38 3264 39 3460 40 3663 41 3872 42 4088 43 4310 44 4540 45 4776 46 5021