

A100341


Denominators of the convergents in the continued fraction expansion for the constant given by A100338, where the partial quotients equal A006519 (greatest power of 2 dividing n).


4



1, 2, 3, 14, 17, 48, 65, 568, 633, 1834, 2467, 11702, 14169, 40040, 54209, 907384, 961593, 2830570, 3792163, 17999222, 21791385, 61581992, 83373377, 728569008, 811942385, 2352453778, 3164396163, 15010038430, 18174434593, 51358907616
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OFFSET

1,2


COMMENTS



LINKS



FORMULA

a(1) = 1, a(2) = 2, a(n) = a(n1)*A006519(n) + a(n2).


EXAMPLE

The constant is x=1.353871128429882374388894084016608124227333416812...
contfrac(x) = [1;2,1,4,1,2,1,8,1,2,1,4,1,2,1,16,...A006519(n),... ].


PROG

(PARI) a(n)=if(n==1, 1, if(n==2, 2, a(n1)*2^valuation(n, 2)+a(n2)))


CROSSREFS



KEYWORD

cofr,nonn


AUTHOR



STATUS

approved



