A089700 Smallest n-digit member of A089699.

1, 12, 112, 1116, 11112, 111126, 1111156, 11111116, 111111112, 1111111212, 11111111112, 111111111366, 1111111111152, 11111111111122, 111111111111232, 1111111111111122, 11111111111111152, 111111111111111636, 1111111111111111542, 11111111111111111266

Offset

1,2

Links

Table of n, a(n) for n=1..20.

Maple

for d from 1 to 20 do n:=(10^d-1)/9: n:=nextprime(n): while(not isprime(mul(j, j=convert(n-1, base, 10))+1)) do n:=nextprime(n) od: printf("%d, ", n-1) od: # C. Ronaldo

Crossrefs

Cf. A089699, A089701.

Sequence in context: A044725 A265948 A016152 * A290742 A268767 A221368

Adjacent sequences: A089697 A089698 A089699 * A089701 A089702 A089703

Keyword

base,nonn

Author

Amarnath Murthy, Nov 10 2003

Extensions

Corrected and extended by C. Ronaldo (aga_new_ac(AT)hotmail.com), Dec 25 2004

Status

approved