OFFSET
1,1
COMMENTS
Number of vectors of norm p in D_4 lattice (cf. A004011).
REFERENCES
L. E. Dickson, Algebras and Their Arithmetics, Dover, 1960, Section 91.
LINKS
T. D. Noe, Table of n, a(n) for n=1..1000
L. E. Dickson, Algebras and Their Arithmetics, Univ. of Chicago Press, 1923, Section 91 (page 147).
FORMULA
a(n) = 24 * (prime(n)+1) = 24 * A008864(n) for n >= 2.
MATHEMATICA
Join[{24}, 24(#+1)&/@Prime[Range[2, 50]]] (* Harvey P. Dale, Mar 12 2013 *)
CROSSREFS
KEYWORD
nonn,easy,nice
AUTHOR
N. J. A. Sloane, Jun 09 2000
EXTENSIONS
More terms from David W. Wilson, May 02 2001
STATUS
approved