login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A106381 Real part of Gaussian prime numbers such that the Gaussian Primorial product up to them is a Gaussian prime minus i. 5
1, 1, 2, 2, 1, 6, 4, 11, 10, 11, 19, 3, 18, 16 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

A106382 has the imaginary parts of these numbers.

LINKS

Table of n, a(n) for n=1..14.

Sven Simon, Readable list of A106381/A106382

EXAMPLE

(1+i)*(1+2i)*(2+i)*3*(2+3i)*(3+2i)*(1+4i) + i = (585-975i) + i = (585-974i), which is a Gaussian prime. This is the 5th number with the property, so a(5)=1.

CROSSREFS

Cf. A103431, A103432, A106377, A106379, A106382, A106384.

Sequence in context: A128308 A109152 A130469 * A064784 A174302 A108074

Adjacent sequences:  A106378 A106379 A106380 * A106382 A106383 A106384

KEYWORD

nonn

AUTHOR

Sven Simon, Apr 30 2005

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 23 20:16 EST 2022. Contains 350515 sequences. (Running on oeis4.)