A240587 Primes p of the form n^2 + 123456789 where 123456789 is the first zeroless pandigital number.

123457189, 123459289, 123465253, 123466789, 123470713, 123481753, 123482389, 123486373, 123489913, 123501733, 123505189, 123510613, 123535189, 123545593, 123564373, 123571033, 123584953, 123587833, 123592213, 123610453, 123631513, 123641689, 123657493

Offset: 1

Author

K. D. Bajpai, Apr 08 2014

Keywords

• nonn
• base

Examples

			123457189 is a prime and appears in the sequence because 123457189 = 20^2 + 123456789.
123459289 is a prime and appears in the sequence because 123459289 = 50^2 + 123456789.
		

Links

• K. D. Bajpai, Table of n, a(n) for n = 1..1111

Crossrefs

Cf. A000040, A002496, A028871, A050289, A056899.

Programs

Maple

KD := proc() local a; a:=n^2+123456789; if isprime(a) then RETURN (a); fi; end: seq(KD(), n=1..1000);

Mathematica

Select[Table[k^2+123456789,{k,1,3000}],PrimeQ]