# A002274 (b-file synthesized from sequence entry) 1 2 2 3 3 7 4 8 5 10 6 16 7 18 8 19 9 40 10 48 11 55 12 90 13 96 14 98 15 190 16 398 17 456 18 502 19 719 20 1312 21 1399 22 1828 23 6723 24 6816 25 10680 26 12592 27 20742 28 25010 29 26838 30 29623 31 45435 32 52783 33 70950 34 89691 35 111691 36 114400 37 136152 38 145183 39 146223 40 177459 41 212908 42 300910 43 342151 44 360447 45 382156 46 411635 47 442948 48 519862 49 519892 50 975036 51 1158942 52 1181438 53 1756702 54 2033643