OFFSET
0,2
COMMENTS
Conjecture: For n = 3k, a(n) = (3/4)*10^(4n/3)+5*10^(n/3-1)-1.
The conjecture is true (see links) - Sela Fried, Oct 02 2024.
LINKS
Sela Fried, Proofs of some Conjectures from the OEIS, arXiv:2410.07237 [math.NT], 2024. See p. 3.
EXAMPLE
For n = 6, a(6) = (3/4)*10^8 + 5* 10^1-1 = 75000049.
PROG
(PARI) /* For this sequence, p = 3 */ g2(n, p) = for(j=0, n, s=0; for(x=0, 10^j, s+=x^(1/p)); print1(floor(s)", "))
CROSSREFS
KEYWORD
nonn
AUTHOR
Cino Hilliard, Mar 19 2008
STATUS
approved