{
	seen = 0;
	p = 1;
	g = 2;
	for (n=1, 10 000,
		a = 1;

		while (bittest(seen, a) || (n>2 && g==1 && gcd(p,a)==1),
			a++;
		);

		print (n " " a);

		g = gcd(p,a);
		p = a;
		seen += 2^a;
	)
}

quit