A329737 Cyclops primes that remain prime after being "blinded".

101, 103, 107, 109, 307, 401, 503, 509, 601, 607, 701, 709, 809, 907, 11071, 11087, 11093, 12037, 12049, 12097, 13099, 14029, 14033, 14051, 14071, 14081, 14083, 14087, 15031, 15053, 15083, 16057, 16063, 16067, 16069, 16097, 17021, 17033, 17041, 17047, 17053

Offset: 1

Author

Rodolfo Ruiz-Huidobro, Nov 20 2019

Keywords

• nonn
• base
• easy

Comments

There are 14 of these primes with 3 digits and 302 with 5 digits.

Examples

			The first term, a(1), is 101 because if you remove the "cyclops' eye" it remains a prime (11) and because 101 is the 1st cyclops prime.
307 is a term because when you remove the "0" it remains a prime: 37.
		

Links

• Rodolfo Ruiz-Huidobro, Table of n, a(n) for n = 1..3194

Crossrefs

Intersection of A256186 and A134809.

Programs

Magma

a:=[]; f:=func; g:=func; for n in [1..20000] do if f(n) and IsPrime(g(n)) then Append(~a,n); end if; end for; a; // Marius A. Burtea, Nov 20 2019