A106463 - OEIS

A106463

Real parts of binomial transform of the Gaussian primes.

1, 3, 7, 16, 36, 79, 170, 362, 768, 1629, 3458, 7344, 15590, 33039

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OFFSET

1,2

REFERENCES

J. H. Conway and R. K. Guy, "The Book of Numbers", Springer-Verlag, 1996, p. 219.

LINKS

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

FORMULA

Binomial transform of the positive Gaussian primes: (1, 1), (2, 1), (2, -1), (3, 0), (3, 2), (3, -2), (4, 1), (4, -1), (5, 2), (5, -2), ...; extracting the real parts.

EXAMPLE

a(3) = 7, the real part of (7,2) which is 1*(1,1) + 2*(2,1) + 1*(2,-1).

CROSSREFS

Sequence in context: A026778 A023523 A065979 * A238441 A173514 A045891

Adjacent sequences: A106460 A106461 A106462 * A106464 A106465 A106466

KEYWORD

nonn

AUTHOR

Gary W. Adamson, May 03 2005

STATUS

approved