Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.
1,1
Mark A. Herkommer, "Number Theory, A Programmer's Guide," McGraw-Hill, New York, 1999, page 269.
Table of n, a(n) for n=1..5.
Index entries for Gaussian integers and primes
Index entries for sequences related to numbers of primes in various ranges
c=0; Do[ If[ PrimeQ[ j + k*I, GaussianIntegers -> True], c++ ], {j, 0, 10^n-1}, {k, 0, j} ]; c
Sequence in context: A117812 A034941 A199227 * A196465 A177598 A116094
Adjacent sequences: A055680 A055681 A055682 * A055684 A055685 A055686
nonn
Robert G. Wilson v, Jun 09 2000
approved