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A177830
Values of k in A176983.
0
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 2, 2, 2, 2, 2, 2, 4, 4, 4, 6, 2, 2, 4, 2, 2, 4, 2, 2, 2, 2, 6, 2, 4, 4, 4, 2, 4, 2, 4, 2, 2, 6, 2, 2, 2, 2, 2, 2, 4, 2, 4, 2, 2, 4, 4, 2, 4, 2, 2, 4, 2, 4, 4, 2, 2, 2, 4, 2, 2, 4, 2, 2, 4, 4, 2, 2, 4, 2, 2, 2, 2, 6, 4, 2, 4, 2, 2, 2, 2, 4, 2, 4, 2, 2, 2, 2, 2
OFFSET
1,2
COMMENTS
All terms except the first are even.
FORMULA
a(n)=sqrt(nextprime((A176983(n))^2)-(A176983(n))^2)
CROSSREFS
Cf. A176983.
Sequence in context: A071841 A355478 A097876 * A111859 A156822 A130635
KEYWORD
nonn
AUTHOR
Zak Seidov, May 14 2010
STATUS
approved