A104262 Primes which are the concatenation of three consecutive square numbers.

149, 496481, 361400441, 202521162209, 562557765929, 624164006561, 98011000010201, 118811210012321, 198812016420449, 272252755627889, 342253459634969, 778417840078961, 789617952480089, 906019120491809

Offset: 1

Author

Shyam Sunder Gupta, Apr 17 2005

Keywords

• base
• nonn

Examples

			The first term is 149 which is a prime and is the concatenation of 1,4 and 9 which are three consecutive square numbers.
		

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..1000

Programs

Mathematica

c3sn[{a_,b_,c_}]:=FromDigits[Flatten[IntegerDigits/@{a,b,c}]]; Select[ c3sn/@ Partition[Range[400]^2,3,1],PrimeQ] (* Harvey P. Dale, Mar 13 2019 *)