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A112782
Beginning with 2, primes of the form: least multiple of the previous term followed by a 3. Beginning with 2, a(n) is the least prime of the form k*a(n-1)*10 + 3.
4
2, 23, 233, 2333, 23333, 2566633, 51332663, 10266532603, 205330652063, 4106613041263, 2546100085583063, 636525021395765753, 388280263051417109333, 54359236827198395306623
OFFSET
1,1
LINKS
MATHEMATICA
a[1]=2; a[n_]:=a[n]=(For[m=1, !PrimeQ[m a[n-1]*10+3], m++ ]; 10m*a[n-1]+3); Table[a[n], {n, 15}]
CROSSREFS
Sequence in context: A158191 A089703 A088094 * A093672 A262571 A283560
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Jan 02 2006
EXTENSIONS
More terms from Joshua Zucker and Farideh Firoozbakht, Jan 05 2006
STATUS
approved