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A089700 Smallest n-digit member of A089699. 2
1, 12, 112, 1116, 11112, 111126, 1111156, 11111116, 111111112, 1111111212, 11111111112, 111111111366, 1111111111152, 11111111111122, 111111111111232, 1111111111111122, 11111111111111152, 111111111111111636, 1111111111111111542, 11111111111111111266 (list; graph; refs; listen; history; text; internal format)
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

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Last modified September 23 20:42 EDT 2021. Contains 347617 sequences. (Running on oeis4.)