login
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)
2
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
A. J. C. Cunningham, Quadratic and Linear Tables, Hodgson, London, 1927. [Annotated scanned copy of selected pages]
CROSSREFS
Sequence in context: A366379 A274243 A192931 * A160373 A091998 A208296
KEYWORD
nonn
EXTENSIONS
Name improved and offset changed by T. D. Noe, Apr 13 2010
STATUS
approved