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A282531 Numbers n where records occur for d(n+1)/d(n), where d(n) is A000005(n). 3
1, 11, 23, 47, 59, 167, 179, 239, 359, 719, 839, 1259, 2879, 3359, 5039, 7559, 10079, 21839, 33599, 35279, 37799, 55439, 100799, 110879, 166319, 262079, 327599, 415799, 665279, 831599, 1081079, 1441439, 2827439, 3326399, 4989599, 6320159, 6486479, 10533599 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Daniel Suteu, Table of n, a(n) for n = 1..52

PROG

(Perl)

use ntheory qw(:all);

for (my ($n, $m) = (1, 0) ; ; ++$n) {

    my $d = divisors($n+1) / divisors($n);

    if ($m < $d) {

        $m = $d;

        print "$n\n";

    }

}

CROSSREFS

Cf. A000005.

Sequence in context: A185005 A073024 A161897 * A309851 A145994 A217047

Adjacent sequences:  A282528 A282529 A282530 * A282532 A282533 A282534

KEYWORD

nonn

AUTHOR

Daniel Suteu, Feb 18 2017

STATUS

approved

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Last modified June 18 06:02 EDT 2021. Contains 345098 sequences. (Running on oeis4.)