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A112782
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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.
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0
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2, 23, 233, 2333, 23333, 2566633, 51332663, 10266532603, 205330652063, 4106613041263, 2546100085583063, 636525021395765753, 388280263051417109333, 54359236827198395306623
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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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}]
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CROSSREFS
| Sequence in context: A158191 A089703 A088094 * A093672 A159902 A118385
Adjacent sequences: A112779 A112780 A112781 * A112783 A112784 A112785
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KEYWORD
| base,nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jan 02 2006
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EXTENSIONS
| More terms from Joshua Zucker and Farideh Firoozbakht (mymontain(AT)yahoo.com), Jan 05 2006
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