login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A103531 Numbers n such that n235711 is prime. 0
1, 3, 9, 12, 15, 27, 34, 37, 43, 45, 46, 55, 61, 66, 72, 75, 82, 93, 94, 106, 117, 130, 132, 138, 139, 142, 144, 145, 157, 163, 165, 169, 181, 198, 199, 205, 214, 222, 237, 256, 258, 274, 276, 289, 297, 300, 309, 310, 319, 324, 331, 333, 337, 339, 355, 361, 367, 384, 387, 390, 397 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

EXAMPLE

n=1 is in the sequence because  n235711 = 1235711 is prime.

n=37 is in the sequence because n235711 = 37235711 is prime.

n=72 is in the sequence because n235711 = 72235711 is prime.

PROG

(MAGMA) [ n: n in [1..700] | IsPrime(Seqint([1, 1, 7, 5, 3, 2] cat Intseq(n))) ]; // From Vincenzo Librandi, Feb 03 2011

CROSSREFS

Sequence in context: A138921 A194412 A136290 * A108860 A006499 A140979

Adjacent sequences:  A103528 A103529 A103530 * A103532 A103533 A103534

KEYWORD

base,nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Mar 21 2005

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 17 19:13 EST 2012. Contains 206085 sequences.