OFFSET
0,2
COMMENTS
a(n) = number of terms in n-th row of A167222. - Reinhard Zumkeller, Oct 31 2009
FORMULA
a(n) = floor(n^(3/2))+1 = A000093(n) + 1.
EXAMPLE
Squares <= 3^3=27: 0, 1, 4, 9, 16 and 25, hence a(3)=6;
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Oct 29 2002
STATUS
approved