A106463 Real parts of binomial transform of the Gaussian primes.

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

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