# A106072 (b-file synthesized from sequence entry) 1 5 2 19 3 29 4 31 5 41 6 59 7 89 8 131 9 199 10 251 11 271 12 379 13 509 14 619 15 691 16 829 17 929 18 1021 19 1049 20 1109 21 1181 22 1231 23 1259 24 1489 25 1511 26 1721 27 1811 28 1951 29 1979 30 2269 31 2311 32 2351 33 2551 34 2749 35 2801 36 2861 37 2969 38 3011 39 3109 40 3209 41 3221 42 3331 43 3499 44 3541 45 3571 46 3631 47 3701