A137521 Prime numbers concatenated with 45.

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

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