A169798 a(n) = smallest prime number > a(n-1) that contains the n-th composite number as a substring.

41, 61, 83, 89, 101, 127, 149, 151, 163, 181, 1201, 1213, 1223, 1249, 1259, 2267, 2273, 2281, 2309, 3203, 3301, 3343, 3359, 3361, 3389, 3391, 3407, 4201, 4409, 4451, 4463, 4481, 4493, 4507, 4513, 4523, 4547, 5501, 5563, 5573, 5581, 6007, 6203, 6263, 6421

Offset

1,1

Links

Zak Seidov, Table of n,a(n) for n=1..1000

Crossrefs

Cf. A144565.

Cf. A177981, A177982. [From Reinhard Zumkeller, May 16 2010]

Sequence in context: A067832 A126242 A178057 * A110411 A145022 A154763

Adjacent sequences: A169795 A169796 A169797 * A169799 A169800 A169801

Keyword

nonn,base

Author

N. J. A. Sloane, May 15 2010

Extensions

Corrected and extended by Zak Seidov and D. S. McNeil, May 16 2010

Status

approved