A137521 - OEIS

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A137521

Prime numbers concatenated with 45.

1

245, 345, 545, 745, 1145, 1345, 1745, 1945, 2345, 2945, 3145, 3745, 4145, 4345, 4745, 5345, 5945, 6145, 6745, 7145, 7345, 7945, 8345, 8945, 9745, 10145, 10345, 10745, 10945, 11345

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..30.

FORMULA

a(n) = prime(n) concatenated with 45

PROG

(PARI) a(n)=100*prime(n)+45 \\ Charles R Greathouse IV, Aug 25 2014

CROSSREFS

Cf. A000040, A137558.

Sequence in context: A186460 A171994 A129210 * A257781 A188239 A132830

Adjacent sequences: A137518 A137519 A137520 * A137522 A137523 A137524

KEYWORD

base,easy,nonn,less

AUTHOR

Odimar Fabeny, Apr 24 2008

STATUS

approved