|
| |
|
|
A102527
|
|
Numbers n such that n111111 is prime.
|
|
1
| |
|
|
29, 34, 61, 71, 80, 85, 89, 94, 101, 103, 106, 107, 115, 118, 122, 124, 128, 131, 149, 158, 163, 166, 193, 194, 199, 205, 212, 233, 248, 251, 256, 265, 268, 277, 290, 316, 323, 326, 328, 346, 347, 355, 356, 361, 365, 367, 382, 383, 386, 389, 394, 398, 404, 424, 430, 431, 436, 439, 452, 454, 457
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
EXAMPLE
| If n=29, then n111111 = 29111111 (prime).
If n=101, then n111111 = 101111111 (prime).
If n=122, then n111111 = 122111111 (prime).
|
|
|
MATHEMATICA
| ect[Range[500], PrimeQ[FromDigits[Join[IntegerDigits[#], {1, 1, 1, 1, 1, 1} ]]]&] (* From Harvey P. Dale, Aug 22 2011 *)
|
|
|
PROG
| (MAGMA) [ n: n in [1..700] | IsPrime(Seqint([1, 1, 1, 1, 1, 1] cat Intseq(n))) ]; [From Vincenzo Librandi, Feb 04 2011]
|
|
|
CROSSREFS
| Sequence in context: A114180 A031172 A159022 * A039307 A043130 A043910
Adjacent sequences: A102524 A102525 A102526 * A102528 A102529 A102530
|
|
|
KEYWORD
| base,nonn
|
|
|
AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Feb 24 2005
|
| |
|
|
