

A114742


Value of k pertaining to A114741.


1



4, 4, 4, 6, 4, 6, 10, 2, 6, 4, 8, 8, 6, 22, 18, 4, 194, 26, 1352, 20, 5046, 16, 8070, 18, 44532, 232, 205862, 14, 188540, 80, 682452, 34, 553220, 72, 3310756, 78, 31907920, 60, 147850530, 82, 174357156, 6, 120995076, 6, 37671114, 22, 15590712, 34
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..48.


FORMULA

a(n) = (A114741(n+1) + A114741(n+2))/A114741(n).


PROG

(PARI) { P=Set([2, 3]); u=2; v=3; for(i=1, 100, k=ceil(v/u); while( !ispseudoprime(t=k*uv)  setsearch(P, t), k++); P=setunion(P, Set([t])); u=v; v=t; print1(k, ", ") ) } \\ Max Alekseyev, Dec 13 2011


CROSSREFS

Cf. A114741.
Sequence in context: A141241 A140696 A160401 * A273909 A098013 A073229
Adjacent sequences: A114739 A114740 A114741 * A114743 A114744 A114745


KEYWORD

nonn


AUTHOR

Amarnath Murthy, Nov 15 2005


EXTENSIONS

More terms from Franklin T. AdamsWatters, Jul 17 2006
More terms from Max Alekseyev, Dec 13 2011


STATUS

approved



