A090810 - OEIS

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A090810

Distinct numbers appearing as denominators of Bernoulli(2n) for n > 2, divided by 6.

1, 5, 7, 11, 23, 47, 55, 59, 83, 85, 107, 115, 133, 145, 167, 179, 227, 235, 239, 253, 263, 265, 295, 301, 347, 359, 383, 413, 415, 443, 455, 467, 479, 503, 517, 535, 553, 563, 581, 587, 647, 649, 659, 685, 719, 721, 745, 749, 781, 827, 835, 839, 863, 865, 887

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..55.

FORMULA

A090801(n)/6 for n>2.

MATHEMATICA

Take[ Union[ Table[ Denominator[ BernoulliB[2n]], {n, 1, 500}]], 60]/6

CROSSREFS

Sequence in context: A124111 A151715 A226027 * A092307 A005385 A181602

Adjacent sequences: A090807 A090808 A090809 * A090811 A090812 A090813

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Feb 10 2004

STATUS

approved

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