A111455 Numbers k such that 101*k + 97 is prime.

0, 14, 24, 32, 36, 42, 50, 62, 66, 72, 84, 86, 90, 102, 104, 116, 126, 146, 164, 192, 200, 206, 224, 230, 240, 246, 260, 270, 282, 290, 326, 330, 332, 336, 344, 350, 354, 360, 374, 396, 402, 410, 414, 422, 440, 456, 482, 492, 494, 504, 506, 510, 546, 552, 570

Offset: 1

Author

Parthasarathy Nambi, Nov 14 2005

Keywords

• nonn
• easy

Comments

All the numbers in this sequence are even. 97 is the largest two digit prime and 101 is the smallest three digit prime.

Examples

			If k=240 then 101*k + 97 = 24337 (prime).
		

Links

• Robert Israel, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A101084.

Programs

Magma

[n: n in [0..1000000] |IsPrime(101*n+97)]; // Vincenzo Librandi, Nov 13 2010

Maple

select(k -> isprime(101*k + 97), [seq(i,i=0..1000,2)]); # Robert Israel, Aug 18 2025

PARI

is(n)=isprime(101*n+97) \\ Charles R Greathouse IV, Jun 13 2017