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A112441 Pseudoprimes (base-2) equal to product of 4 primes not necessarily distinct. 0
11305, 18705, 23001, 39865, 41041, 55245, 62745, 63973, 72885, 75361, 101101, 107185, 126217, 129921, 157641, 172081, 188461, 212421, 215265, 266305, 272251, 278545, 332949, 340561, 367081, 401401, 449065, 451905, 464185, 493885, 552721 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..31.

EXAMPLE

a(1)=11305=5*7*17*19

CROSSREFS

Cf. A001567.

Sequence in context: A110375 A252859 A177216 * A104017 A317400 A284814

Adjacent sequences:  A112438 A112439 A112440 * A112442 A112443 A112444

KEYWORD

easy,nonn

AUTHOR

Shyam Sunder Gupta, Dec 11 2005

STATUS

approved

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Last modified October 14 18:28 EDT 2019. Contains 328022 sequences. (Running on oeis4.)