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A106383
Real part of Gaussian prime numbers such that the Gaussian Primorial product up to them is a Gaussian prime plus i.
4
1, 2, 3, 2, 3, 4, 2, 6, 5, 5, 5, 4, 1, 25, 20, 3, 29
OFFSET
1,2
COMMENTS
A106384 has the imaginary parts.
EXAMPLE
(1+i)*(1+2i)*(2+i)*3*(2+3i)*(3+2i)*(1+4i)*(4+i)*(2+5i) - i = (23205+9945i) - i = (23205+9944i), which is a Gaussian prime. This is the 7th number with the property, so a(7)=2.
CROSSREFS
KEYWORD
nonn
AUTHOR
Sven Simon, Apr 30 2005
STATUS
approved