# A045137 (b-file synthesized from sequence entry) 1 255 2 511 3 831 4 895 5 975 6 991 7 1011 8 1015 9 1020 10 1021 11 1279 12 1535 13 1855 14 1919 15 1999 16 2015 17 2035 18 2039 19 2044 20 2045 21 3135 22 3199 23 3279 24 3295 25 3315 26 3319 27 3324 28 3325 29 3391 30 3455 31 3535 32 3551 33 3571 34 3575 35 3580 36 3581 37 3855 38 3871