1,1

If n=17, then n11111111 = 1711111111 (prime).

If n=74, then n11111111 = 7411111111 (prime).

If n=128, then n11111111 = 12811111111 (prime).

Sequence in context: A098365 A033899 A110287 this_sequence A041568 A042305 A041566

Adjacent sequences: A102810 A102811 A102812 this_sequence A102814 A102815 A102816

base,nonn

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Feb 26 2005