

A174290


Numerators of the inverse binomial transform of the sequence of nonzero Bernoulli numbers.


2



1, 3, 13, 91, 291, 1187, 18017, 114949, 122399, 27857449, 118047751, 18228890369, 594111334397, 17200311140979, 773613644762857, 398027494487496919, 7730820144185428909, 6072430940814524211839
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OFFSET

0,2


COMMENTS

The sequence of nonzero Bernoulli numbers is B(0), B(1), B(2), B(4), B(6) etc. Its inverse Bernoulli transform is 1, 3/2, 13/6, 91/30, 291/70, 1187/210, 18017/2310,... The current sequence is defined by extracting the numerators.


LINKS



MAPLE

read("transforms") ;
A174290 := proc(n) [1, 1/2, seq(bernoulli(2*i), i=1..30)] ; BINOMIALi(%) ; numer(op(n+1, %)) ; end proc:


CROSSREFS



KEYWORD

frac,sign,easy


AUTHOR



STATUS

approved



