1,1

If n=2, then n999999 = 2999999 (prime).

If n=43, then n999999 = 43999999 (prime).

If n=89, then n999999 = 89999999 (prime).

Sequence in context: A135569 A131560 A067709 this_sequence A125085 A045521 A076434

Adjacent sequences: A102542 A102543 A102544 this_sequence A102546 A102547 A102548

base,nonn

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Feb 24 2005