Numbers k such that each of k, k+1, k+2, and k+4 is a sum of two squares.

Terms

a(0) =0a(1) =16a(2) =144a(3) =288a(4) =576a(5) =1152a(6) =1600a(7) =2304a(8) =3328a(9) =3600a(10) =4624a(11) =5184a(12) =7056a(13) =8352a(14) =10368a(15) =10656a(16) =10816a(17) =11808a(18) =12112a(19) =12240a(20) =12544a(21) =13120a(22) =13840a(23) =16704a(24) =17424a(25) =19600a(26) =19728a(27) =20736a(28) =20752a(29) =21312