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A088918 Number of representations of n as sum of two squares of distinct primes. 1
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
a(n) <= A000161(n); a(A088909(n)) > 0;
a(A088919(n)) = n and a(k) <> n for k < A088919(n).
LINKS
EXAMPLE
a(410)=2, see A088919.
CROSSREFS
Cf. A002654.
Sequence in context: A162782 A011727 A297042 * A277157 A277160 A277163
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Oct 23 2003
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)