login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Generalized tangent number d(10,n).
4

%I #9 Sep 07 2015 08:16:26

%S 14,3154,2529614,4300685074,12547916380814,55939426660067794,

%T 353673181169645937614,3010104609039993347591314,

%U 33182624286820245728657184014,459935657757561065580439067895634

%N Generalized tangent number d(10,n).

%D D. Shanks. "Generalized Euler and Class Numbers." Math. Comput. 21, 689-694, 1967. Math. Comput. 22, 699, 1968.

%H Lars Blomberg, <a href="/A064075/b064075.txt">Table of n, a(n) for n = 1..172</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/TangentNumber.html">Tangent Number.</a>

%K nonn,easy

%O 1,1

%A _Eric W. Weisstein_, Aug 31 2001

%E Changed offset to 1 by _Lars Blomberg_, Sep 07 2015