A218859 A218858/4.

0, 0, 1, 3, 0, 4, 0, 5, 0, 4, 0, 7, 0, 6, 0, 8, 0, 8, 0, 9, 0, 6, 0, 9, 0, 16, 0, 8, 0, 12, 0, 11, 0, 8, 0, 18, 0, 16, 0, 12, 0, 18, 0, 15, 0, 14, 0, 15, 0, 10, 0, 14, 0, 18, 0, 28, 0, 16, 0, 19, 0, 22, 0, 14, 0, 34, 0, 23, 0, 20, 0, 19, 0, 22, 0, 18, 0, 16, 0

Offset: 0

Author

T. D. Noe, Nov 12 2012

Keywords

• nonn

Comments

Essentially the number of first-quadrant Gaussian primes at taxicab distance n.

Links

• T. D. Noe, Table of n, a(n) for n = 0..10000
• T. D. Noe, Linear plot

Crossrefs

Cf. A222593 (first-quadrant Gaussian primes).