cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A121518 Numbers that are not the sum of the squares of distinct primes.

Original entry on oeis.org

1, 2, 3, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 26, 27, 28, 30, 31, 32, 33, 35, 36, 37, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 50, 51, 52, 54, 55, 56, 57, 59, 60, 61, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 75, 76, 77, 79, 80, 81, 82, 84, 85, 86
Offset: 1

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Author

T. D. Noe, Aug 04 2006

Keywords

Comments

There are 2438 terms, the largest of which is 17163.

References

Programs

  • Mathematica
    s={0}; Do[p=Prime[n]; s=Union[s,s+p^2], {n,PrimePi[140]}]; s=Select[s,0<#
    				

Formula

Complement of A048261.