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Revision History for A282773 (Underlined text is an addition; strikethrough text is a deletion.)

Showing entries 1-10 | older changes
A282773 Numbers n such that Bernoulli number B_{n} has denominator 498.
(history; published version)
#13 by Bruno Berselli at Wed Mar 08 02:29:23 EST 2017
STATUS

proposed

approved

#12 by Jon E. Schoenfield at Tue Mar 07 20:11:06 EST 2017
STATUS

editing

proposed

#11 by Jon E. Schoenfield at Tue Mar 07 20:11:02 EST 2017
COMMENTS

All terms are multiplemultiples of a(1) = 82.

STATUS

proposed

editing

#10 by Robert Israel at Tue Mar 07 13:47:27 EST 2017
STATUS

editing

proposed

#9 by Robert Israel at Tue Mar 07 13:47:21 EST 2017
LINKS

Robert Israel, <a href="/A282773/b282773.txt">Table of n, a(n) for n = 1..10000</a>

#8 by Robert Israel at Tue Mar 07 13:43:15 EST 2017
LINKS

Wikipedia, <a href="https://en.wikipedia.org/wiki/Von_Staudt%E2%80%93Clausen_theorem">Von Staudt-Clausen theorem</a>

CROSSREFS

Cf. A002445.

#7 by Robert Israel at Tue Mar 07 13:41:30 EST 2017
COMMENTS

n such that 82 | n but there are no primes p other than 2, 3, 83 such that p-1 | n. - Robert Israel, Mar 07 2017

MAPLE

# Alternative:

filter:= n ->

select(isprime, map(`+`, numtheory:-divisors(n), 1)) = {2, 3, 83}:

select(filter, [seq(i, i=82..10^5, 82)]); # Robert Israel, Mar 07 2017

STATUS

proposed

editing

#6 by Michael De Vlieger at Tue Mar 07 09:58:51 EST 2017
STATUS

editing

proposed

#5 by Michael De Vlieger at Tue Mar 07 09:58:43 EST 2017
DATA

82, 574, 1066, 1394, 3034, 3362, 3854, 4838, 5494, 5822, 6478, 7462, 7954, 8282, 8774, 8938, 10414, 11234, 12218, 12382, 12874, 13694, 15826, 16154, 17302, 18614, 18778, 21074, 21238, 21566, 22058, 22222, 22714, 23206, 23534, 23698, 25174, 25502, 25994

MATHEMATICA

Select[82 Range[360], Denominator@ BernoulliB@ # == 498 &] (* Michael De Vlieger, Mar 07 2017 *)

KEYWORD

nonn,more,changed

EXTENSIONS

More terms from Michael De Vlieger, Mar 07 2017

STATUS

proposed

editing

#4 by Paolo P. Lava at Tue Mar 07 09:48:28 EST 2017
STATUS

editing

proposed

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Last modified August 30 00:57 EDT 2024. Contains 375520 sequences. (Running on oeis4.)