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 A234926 Primes which become squares when the digits are rotated once to the left. 1
 61, 601, 619, 6067, 6211, 6547, 6577, 6883, 62131, 63097, 63841, 64579, 66553, 69859, 600577, 600883, 601849, 602689, 604243, 604579, 605953, 609241, 609859, 611833, 616321, 619009, 624601, 627667, 629593, 637699, 644089, 649843, 652417, 654169, 655651 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Every term in the sequence begins with the digit 6. LINKS Table of n, a(n) for n=1..35. EXAMPLE The prime 611833 is in the list because 118336 = 344*344. PROG (PARI) rotl(a) = my(b, c, d); b=#Str(a); c=floor(a/(10^(b-1))); d=a-c*(10^(b-1)); 10*d+c s=[]; forprime(n=2, 700000, if(issquare(rotl(n)), s=concat(s, n))); s CROSSREFS Cf. A234925. Sequence in context: A303412 A209548 A302898 * A355602 A069595 A235009 Adjacent sequences: A234923 A234924 A234925 * A234927 A234928 A234929 KEYWORD nonn,base AUTHOR Colin Barker, Jan 01 2014 STATUS approved

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Last modified February 23 23:47 EST 2024. Contains 370288 sequences. (Running on oeis4.)