1,2

If n=1, then 11*1^2 + 11*1 + 1 = 23 (prime)

If n=20, then 11*20^2 + 11*20 + 1 = 4621 (prime)

If n=40, then 11*40^2 + 11*40 + 1 = 18041 (prime)

Sequence in context: A161539 A047580 A153384 this_sequence A047324 A057894 A057694

Adjacent sequences: A102654 A102655 A102656 this_sequence A102658 A102659 A102660

nonn

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Feb 02 2005