A226041 Primes generated by concatenation of three consecutive numbers divided by three.

41, 263, 50539, 64007, 151549, 191953, 205421, 232357, 252559, 266027, 272761, 306431, 326633, 35035369, 39039373, 52386053, 62396063, 70404071, 77077411, 82416083, 96430097, 103103437, 106440107, 110444111

Offset: 1

Author

Jayanta Basu, May 24 2013

Keywords

• nonn
• base

Examples

			41 is in the list since concatenation of 1, 2 and 3 gives 123/3 = 41. Similarly concatenation of 15, 16 and 17 gives 151617 and 151617/3 = 50539, a prime.
		

Crossrefs

Cf. A001703.

Programs

Mathematica

Select[Table[FromDigits[Flatten[IntegerDigits[n + Range[-1, 1]]]]/3, {n, 350}], PrimeQ]