a(n) is the start of the first run of exactly n consecutive numbers not of the form x^2 + x*y + y^2.
A357020
a(n) is the start of the first run of exactly n consecutive numbers not of the form x^2 + x*y + y^2.
Terms
- a(0) =2a(1) =5a(2) =22a(3) =32a(4) =68a(5) =85a(6) =230a(7) =260a(8) =352a(9) =1901a(10) =950a(11) =1912a(12) =1430a(13) =1502a(14) =3442a(15) =10733a(16) =4310a(17) =5890a(18) =23933a(19) =15101a(20) =29548a(21) =101534a(22) =18698a(23) =89245a(24) =38858a(25) =46774a(26) =110440a(27) =173213a(28) =118772a(29) =513598
External references
- oeis: A357020