OFFSET
1,2
REFERENCES
R. L. Graham, D. E. Knuth and O. Patashnik, Concrete Mathematics. Addison-Wesley, Reading, MA, 1990, p. 97.
LINKS
F. Ellermann, Illustration of binomial transforms
N. J. A. Sloane, Transforms
PROG
(PARI) rep(n) = floor(1/2 + sqrt(2*n)); /* A002024 */
a(n) = sum(k = 0, n-1, binomial(n-1, k) * rep(k+1)); \\ Michel Marcus, Aug 31 2013
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Robert A. Stump (bee_ess107(AT)yahoo.com), Dec 09 2001
STATUS
approved