Primes of the form k^4 - (k+1)^3.

Terms

a(0) =17a(1) =131a(2) =409a(3) =953a(4) =1889a(5) =8669a(6) =18539a(7) =60623a(8) =77689a(9) =122321a(10) =373049a(11) =437293a(12) =590267a(13) =2249441a(14) =8975009a(15) =9649303a(16) =11111117a(17) =14526289a(18) =19836689a(19) =26484839a(20) =31201649a(21) =56608289a(22) =67796273a(23) =80565889a(24) =84021983a(25) =87588089a(26) =107150489a(27) =150402113