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A171448 Sequence whose generating function is expressible as a prime-related continued fraction. 1
1, 2, 6, 24, 114, 612, 3648, 23928, 171534, 1336416, 11269476, 102661188, 1010777052, 10778107752, 124698353796, 1564720622004, 21217109251374, 308917754417352, 4793408454081468, 78708576907763868, 1359861042837591204 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Hankel transform is the Chernoff sequence A006939.

LINKS

Table of n, a(n) for n=0..20.

FORMULA

G.f.: 1/(1-2x/(1-x/(1-3x/(1-x/(1-5x/(1-x/(1-7x/(1-x/(1-11x/(1-.... (continued fraction);

G.f.: 1/(1-2x-2x^2/(1-4x-3x^2/(1-6x-5x^2/(1-8x-7x^2/(1-12x-11x^2/(1- ... (continued fraction).

CROSSREFS

Sequence in context: A054872 A134664 A324133 * A068199 A189846 A189283

Adjacent sequences:  A171445 A171446 A171447 * A171449 A171450 A171451

KEYWORD

easy,nonn

AUTHOR

Paul Barry, Dec 09 2009

STATUS

approved

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Last modified November 17 03:06 EST 2019. Contains 329216 sequences. (Running on oeis4.)