A002367 Let p = A007645(n) be the n-th generalized cuban prime and write p^2 = x^2 + 3*y^2 with y > 0; a(n) = x. (Formerly M4773 N1377)

1, 11, 13, 23, 13, 11, 37, 61, 23, 71, 1, 97, 107, 73, 11, 143, 59, 131, 157, 191, 193, 83, 169, 13, 143, 121, 61, 229, 179, 71, 181, 241, 251, 359, 349, 347, 181, 313, 179, 431, 47, 407, 263, 481, 13, 491, 517, 253, 443, 481, 263, 407, 563, 107, 337, 157, 61

Offset

2,2

References

A. J. C. Cunningham, Quadratic and Linear Tables. Hodgson, London, 1927, pp. 77-79.

D. H. Lehmer, Guide to Tables in the Theory of Numbers. Bulletin No. 105, National Research Council, Washington, DC, 1941, p. 60.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

T. D. Noe, Table of n, a(n) for n = 2..1000

A. J. C. Cunningham, Quadratic and Linear Tables, Hodgson, London, 1927. [Annotated scanned copy of selected pages]

Crossrefs

Cf. A002368, A007645.

Sequence in context: A366379 A274243 A192931 * A160373 A091998 A208296

Adjacent sequences: A002364 A002365 A002366 * A002368 A002369 A002370

Keyword

nonn

Author

N. J. A. Sloane

Extensions

Name improved and offset changed by T. D. Noe, Apr 13 2010

Status

approved