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A255441 Carmichael numbers of the form (60k+41)(90k+61)(150k+101), where 60k+41, 90k+61 and 150k+101 are all primes. 2
252601, 3828001, 82929001, 366652201, 8251854001, 12173703001, 25749237001, 67495942201, 82380774001, 285983187601, 802204143001, 1039708768201, 1068674250001, 1158788350201, 2997587784001, 3236207713201, 4467180843001, 7902515425201, 8470346587201 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..19.

Umberto Cerruti, Pseudoprimi di Fermat e numeri di Carmichael (in Italian), p. 10.

PROG

(MAGMA) [(60*n+41)*(90*n+61)*(150*n+101): n in [0..300]| IsPrime(60*n+41) and IsPrime(90*n+61) and IsPrime(150*n+101)];

CROSSREFS

Cf. A033502.

Cf. A255512 (associated k).

Sequence in context: A083628 A212843 A270267 * A210074 A230484 A236874

Adjacent sequences:  A255438 A255439 A255440 * A255442 A255443 A255444

KEYWORD

nonn

AUTHOR

Vincenzo Librandi, Feb 24 2015

EXTENSIONS

First term added from Bruno Berselli, Feb 24 2015

STATUS

approved

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Last modified October 23 23:51 EDT 2019. Contains 328379 sequences. (Running on oeis4.)