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A234925
Primes which become squares when the digits are rotated once to the right.
1
61, 211, 613, 619, 691, 2251, 3643, 3691, 3967, 4099, 4441, 4813, 7213, 8443, 12049, 16843, 21001, 24169, 27691, 30259, 32251, 39241, 39847, 41611, 42499, 46411, 48649, 50767, 61291, 63841, 67219, 69001, 72493, 79561, 79699, 84163, 84961, 87691, 88093, 96001
OFFSET
1,1
EXAMPLE
The prime 3691 is in the list because 1369 = 37*37.
PROG
(PARI) rotr(a) = if(a<10, a, eval(Str(a%10, a\10)))
s=[]; forprime(n=2, 200000, if(issquare(rotr(n)), s=concat(s, n))); s
CROSSREFS
Cf. A234926.
Sequence in context: A245865 A357780 A259410 * A171585 A038643 A273364
KEYWORD
nonn,base
AUTHOR
Colin Barker, Jan 01 2014
STATUS
approved