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A106547 Perfect squares n^2 which are neither the sum nor the difference of two primes (otherwise 0). 2
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 121, 0, 0, 0, 0, 0, 289, 0, 0, 0, 0, 0, 529, 0, 625, 0, 0, 0, 0, 0, 961, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1681, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2601, 0, 2809, 0, 0, 0, 0, 0, 3481, 0, 0, 0, 0, 0, 4225, 0, 4489, 0, 0, 0, 0, 0, 5329, 0, 0, 0, 0, 0, 6241, 0, 0, 0, 6889, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,11
LINKS
FORMULA
a(n) = Min(A106544(n), n^2-A106546(n)).
CROSSREFS
Sequence in context: A365266 A045509 A033187 * A106544 A370512 A079842
KEYWORD
easy,nonn
AUTHOR
Alexandre Wajnberg, May 08 2005
EXTENSIONS
Corrected and extended by Ray Chandler, May 12 2005
STATUS
approved

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)