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A292426 Largest number k < primorial(n) such that omega(k) = n-1. 0
1, 5, 28, 204, 2280, 29946, 509124, 9694230, 223002780, 6468882420, 200545084740 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..11.

PROG

(PARI) a(n) = b=prod(i=1, n, prime(i)); k={my(k=1); while(omega(b-k)<(n-1), k++); k; }; b-k

CROSSREFS

Cf. A001221.

Sequence in context: A216586 A151500 A332711 * A317968 A107875 A038172

Adjacent sequences:  A292423 A292424 A292425 * A292427 A292428 A292429

KEYWORD

nonn,more

AUTHOR

Gionata Neri, Sep 29 2017

STATUS

approved

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Last modified September 19 12:17 EDT 2020. Contains 337178 sequences. (Running on oeis4.)