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A155125 Indices of Bernoulli numbers of the form 4k+2 whose fractional part is < 2/3. 2
2072070, 6216210, 8128890, 10360350, 13548150, 13783770, 14504490, 18648630, 22792770, 22972950, 23111550, 23513490, 24386670, 26936910, 29099070, 31081050, 32162130, 35225190, 35862750, 38288250, 39189150, 39369330 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The numerical evidence suggest that there are very few values near 2/3 or just below 2/3 and NONE after 1/6 up to these very sparse values. - Simon Plouffe, Dec 06 2009

LINKS

Table of n, a(n) for n=1..22.

Simon Plouffe, Table of n, a(n), fractional part for n = 1..72

Eric Weisstein's World of Mathematics, Bernoulli Number

EXAMPLE

frac(B_2072070)==0.666444, frac(B_6216210)==0.658865, ...

CROSSREFS

Cf. A155126.

Sequence in context: A186915 A186907 A186906 * A155126 A234469 A212728

Adjacent sequences:  A155122 A155123 A155124 * A155126 A155127 A155128

KEYWORD

nonn

AUTHOR

Eric W. Weisstein, Jan 20 2009

STATUS

approved

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Last modified August 24 05:48 EDT 2017. Contains 291052 sequences.