A197221 - OEIS

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A197221

Denominator of convergents to e + 1/e.

1, 11, 12, 23, 35, 58, 325, 383, 4155, 12848, 119787, 132635, 385057, 9374003, 1331493483, 4003854452, 5335347935, 20009898257, 85374940963, 105384839220, 717683976283, 823068815503, 4833028053798, 10489124923099, 25811277899996, 36300402823095

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OFFSET

1,2

LINKS

Robert Israel, Table of n, a(n) for n = 1..1899

MAPLE

numtheory:-cfrac(exp(1)+exp(-1), 100, 'ccon'):

map(denom, ccon[1..-2]); # Robert Israel, Jun 08 2017

MATHEMATICA

Denominator[Convergents[E + 1/E, 40]]

CROSSREFS

Cf. A137204 (decimal), A197220 (numerators).

Sequence in context: A022101 A041246 A042633 * A093099 A092778 A041248

Adjacent sequences: A197218 A197219 A197220 * A197222 A197223 A197224

KEYWORD

nonn

AUTHOR

T. D. Noe, Oct 12 2011

STATUS

approved