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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 (list; graph; refs; listen; history; text; internal format)
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*u-v) || 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. Adams-Watters, Jul 17 2006

More terms from Max Alekseyev, Dec 13 2011

STATUS

approved

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Last modified October 18 16:14 EDT 2018. Contains 316323 sequences. (Running on oeis4.)