Numbers k such that 11*k is 5 less than a square.

Terms

a(0) =1a(1) =4a(2) =20a(3) =29a(4) =61a(5) =76a(6) =124a(7) =145a(8) =209a(9) =236a(10) =316a(11) =349a(12) =445a(13) =484a(14) =596a(15) =641a(16) =769a(17) =820a(18) =964a(19) =1021a(20) =1181a(21) =1244a(22) =1420a(23) =1489a(24) =1681a(25) =1756a(26) =1964a(27) =2045a(28) =2269a(29) =2356