login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A161928
Primes numbers that are not the absolute difference between a cube and a square.
1
29, 59, 103, 137, 149, 157, 173, 179, 181, 211, 227, 263, 311, 317, 331, 349, 367, 383, 397, 419, 421, 461, 467, 479, 491, 509, 523, 541, 569, 571, 601, 607, 613, 619, 641, 643, 653, 661, 691, 709, 751, 761, 773, 787, 809, 821, 823, 839, 853, 877, 881, 883
OFFSET
1,1
COMMENTS
That is, for each n, there are no integers x and y such n = y^3 - x^2 or n = x^2 - y^3. These are the primes in sequence A110223. Complement of A161929.
CROSSREFS
Sequence in context: A132236 A293425 A158477 * A140340 A140754 A047078
KEYWORD
nonn
AUTHOR
T. D. Noe, Jun 22 2009
STATUS
approved