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A175195 a(0)=1. For n >=1, a(n) = the smallest positive multiple of a(n-1) such that (the n-th prime)+a(n) is prime. 1
1, 1, 2, 2, 4, 8, 16, 80, 160, 480, 480, 960, 960, 3840, 7680, 7680, 15360, 92160, 92160, 92160, 460800, 1843200, 3686400, 3686400, 55296000, 940032000, 1880064000, 37601280000, 37601280000, 75202560000, 75202560000, 75202560000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

For n>=1, the n-th prime + a(n) = A175196(n).

LINKS

Table of n, a(n) for n=0..31.

CROSSREFS

Cf. A175196.

Sequence in context: A122748 A108774 A063402 * A139800 A168058 A007971

Adjacent sequences:  A175192 A175193 A175194 * A175196 A175197 A175198

KEYWORD

nonn

AUTHOR

Leroy Quet, Mar 01 2010

EXTENSIONS

Extended by Ray Chandler, Mar 04 2010

STATUS

approved

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Last modified September 30 10:18 EDT 2020. Contains 337439 sequences. (Running on oeis4.)