# A002647 (b-file synthesized from sequence entry) 1 13 2 61 3 73 4 193 5 241 6 541 7 601 8 1021 9 1801 10 1873 11 1933 12 2221 13 3121 14 3361 15 4993 16 5521 17 6481 18 8461 19 9181 20 9901 21 10993 22 11113 23 12241 24 12541 25 13633 26 14173 27 17761 28 20593 29 21433 30 21661 31 21841 32 23773 33 26113 34 27901 35 28393 36 29101 37 34141 38 41161 39 49201