A194185 Primes of the form k^16 + (k+1)^16.
65537, 4338014017, 2973697798081, 36054040477057, 314707907280257, 8746361693522261761, 4441930186581050471617, 1936348941361814438534657, 8260002645666200230661441, 157512780598351804823277697, 684655198104511486296198721, 21770695412796292350304592257
Offset: 1
Examples
a(1) = 1^16 + (1+1)^16 = 65537 = A100266(2). a(2) = 3^16 + (3+1)^16 = 4338014017 = A100266(3). a(3) = 5^16 + (5+1)^16 = 2973697798081 = A100266(4). a(4) = 6^16 + (6+1)^16 = 36054040477057 = A100266(5). a(5) = 7^16 + (7+1)^16 = 314707907280257 = A100266(6). a(6) = 14^16 + (14+1)^16 = 8746361693522261761 = A100266(11). a(7) = 21^16 + (21+1)^16 = 4441930186581050471617 = A100266(22).
Links
- Vincenzo Librandi, Table of n, a(n) for n = 1..3000
Programs
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Magma
[ a: n in [1..100] | IsPrime(a) where a is n^16+(n+1)^16 ]; // Vincenzo Librandi, Dec 07 2011
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Mathematica
Select[Table[n^16+(n+1)^16,{n,0,800}],PrimeQ] (* Vincenzo Librandi, Dec 07 2011 *) Select[Total/@Partition[Range[60]^16,2,1],PrimeQ] (* Harvey P. Dale, Dec 07 2017 *)
Comments