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A255202 Numbers n such that prime(n) + {1, 2, 3, 4, 5, 6} are all products of the same number of primes (not necessarily all distinct). 1
369, 8788, 16456, 20522, 23335, 53601, 64203, 77047, 97930, 100123, 116986, 120745, 127847, 128474, 129629, 137028, 138427, 139723, 152996, 206376, 209983, 217177, 230179, 236419, 240219, 243899 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Differs from A255194: E.g., 64203 is here (and not in A255194) because prime(64203)+{1,2,3,4,5,6} are all products of four (not three) primes.

LINKS

Zak Seidov, Table of n, a(n) for n = 1..1200

PROG

(PARI) for(n=1, 3*10^4, p=prime(n); c=0; for(i=1, 5, if(bigomega(p+i)==bigomega(p+i+1), c++); if(bigomega(p+i)!=bigomega(p+i+1), c=0; break)); if(c==5, print1(n, ", "))) \\ Derek Orr, Feb 19 2015

CROSSREFS

Cf. A255194.

Sequence in context: A205911 A205903 A237844 * A255194 A108772 A224562

Adjacent sequences:  A255199 A255200 A255201 * A255203 A255204 A255205

KEYWORD

nonn

AUTHOR

Zak Seidov, Feb 17 2015

STATUS

approved

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Last modified January 28 15:20 EST 2022. Contains 350657 sequences. (Running on oeis4.)