A255514 Carmichael numbers of the form (24*k+13)*(72*k+37)*(192*k+97), where 24*k+13, 72*k+37 and 192*k+97 are all primes.

46657, 25505418241, 42780070657, 73543985857, 116355401857, 262757672641, 347138711137, 524866954177, 687990546721, 4170876528961, 5535042490657, 9461608786657, 10620849817441, 13685652197857, 23802444500257, 27407538845857, 31566404586817, 39638503707841

Offset

1,1

Links

Table of n, a(n) for n=1..18.

Umberto Cerruti, Pseudoprimi di Fermat e numeri di Carmichael (in Italian), p. 12.

Prog

(Magma) [(24*n+13)*(72*n+37)*(192*n+97): n in [0..500] | IsPrime(24*n+13) and IsPrime(72*n+37) and IsPrime(192*n+97)];

Crossrefs

Cf. A002997, A255513 (associated k).

Sequence in context: A132642 A355307 A265285 * A251502 A052359 A205752

Adjacent sequences: A255511 A255512 A255513 * A255515 A255516 A255517

Keyword

nonn

Author

Vincenzo Librandi, Feb 25 2015

Extensions

Corrected and extended by Bruno Berselli, Feb 25 2015

Status

approved