Search: id:A027643
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%I A027643
%S A027643 1,1,1,1,7,1,38,5,11,7,3263,15,13399637,7601,8364,91,1437423473,
%T A027643 3617,177451280177,745739,166416763419,3317609,17730427802974,
%U A027643 5981591,51257173898346323,5436374093,107154672791057,213827575
%V A027643 1,1,-1,-1,7,1,-38,-5,11,7,-3263,-15,13399637,7601,-8364,-91,1437423473,
%W A027643 3617,-177451280177,-745739,166416763419,3317609,-17730427802974,
%X A027643 -5981591,51257173898346323,5436374093,-107154672791057,-213827575
%N A027643 Numerators of poly-Bernoulli numbers B_n^(k) with k=2.
%D A027643 M. Kaneko, Poly-Bernoulli numbers, J. Theorie des Nombres Bordeaux 9 
               (1997), 221-228.
%H A027643 <a href="Sindx_Be.html#Bernoulli">Index entries for sequences related 
               to Bernoulli numbers.</a>
%H A027643 M. Kaneko, <a href="http://ftp.linux.cz/mount/muni.cz/EMIS/journals/JTNB/
               1997-1/kaneko.ps">Poly-Bernoulli numbers</a>
%p A027643 (-1)^n*sum( (-1)^'m'*'m'!*stirling2(n,'m')/('m'+1)^k,'m'=0..n);
%Y A027643 Cf. A027644.
%Y A027643 Sequence in context: A002678 A147482 A050402 this_sequence A051931 A038267 
               A027466
%Y A027643 Adjacent sequences: A027640 A027641 A027642 this_sequence A027644 A027645 
               A027646
%K A027643 sign
%O A027643 0,5
%A A027643 N. J. A. Sloane (njas(AT)research.att.com).

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