OJ Board

These are my output:
Prime Number 2 - 4 Squares
Prime Number 3 - 6 Squares
Prime Number 5 - 8 Squares
Prime Number 7 - 9 Squares
Prime Number 11 - 11 Squares
Prime Number 13 - 11 Squares
Prime Number 17 - 12 Squares
Prime Number 19 - 13 Squares
Prime Number 23 - 13 Squares
Prime Number 29 ...

[cpp]

bignum b = calcTree(k, d-1);
for (int i = 0; i < k; i++) {
bignum a = ncr(tnodes, nodes/k);
s *= a*b;
tnodes -= (nodes/k);
}
[/cpp]
Moving the statement outside the loop will make your program run fasetr. I think your output is correct, and how about this one:
5 4 ...