Integers k such that 2*k^2 - 7 is a square.

Terms

a(0) =2a(1) =4a(2) =8a(3) =22a(4) =46a(5) =128a(6) =268a(7) =746a(8) =1562a(9) =4348a(10) =9104a(11) =25342a(12) =53062a(13) =147704a(14) =309268a(15) =860882a(16) =1802546a(17) =5017588a(18) =10506008a(19) =29244646a(20) =61233502a(21) =170450288a(22) =356895004a(23) =993457082a(24) =2080136522a(25) =5790292204a(26) =12123924128a(27) =33748296142a(28) =70663408246a(29) =196699484648