Numbers n such that 2*n*3^n + 1 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =14a(4) =19a(5) =21a(6) =27a(7) =33a(8) =46a(9) =70a(10) =80a(11) =441a(12) =540a(13) =567a(14) =625a(15) =1057a(16) =1119a(17) =1213a(18) =1542a(19) =4263a(20) =4419a(21) =4507a(22) =5186a(23) =7345a(24) =8626a(25) =8853a(26) =11256a(27) =12885a(28) =14688a(29) =15236