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A106379
Real part of Gaussian prime numbers such that the Gaussian Primorial product up to them is a Gaussian prime plus one.
5
1, 2, 3, 6, 5, 11, 10, 18, 12, 19, 10, 13, 5, 20, 6
OFFSET
0,2
COMMENTS
A106380 has the imaginary parts.
EXAMPLE
(1+i)*(1+2i)*(2+i)*3*(2+3i)*(3+2i) - 1 = (-195-195i) - 1 = (-196-195i), which is a Gaussian prime. This is the third number with the property, so a(3) = 3.
CROSSREFS
KEYWORD
nonn
AUTHOR
Sven Simon, Apr 30 2005
STATUS
approved