The numbers not expressible as the sum of 4 distinct nonzero squares can be written D*4^n union E. This is E.
A004196
The numbers not expressible as the sum of 4 distinct nonzero squares can be written D*4^n union E. This is E.
Terms
- a(0) =21a(1) =29a(2) =35a(3) =41a(4) =45a(5) =49a(6) =53a(7) =59a(8) =61a(9) =69a(10) =77a(11) =83a(12) =89a(13) =101a(14) =115a(15) =157
External references
- oeis: A004196