This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A156652 #11 May 17 2017 06:41:06 %S A156652 1,-1,-77,239,30877,-160801,-30468977,222359759,56025500377, %T A156652 -525750911041,-165532771357877,1898604115708079,717305800978797877, %U A156652 -9723130520022672481,-4285693661775748922777,67030256200148854573199,33765846794176822397603377 %N A156652 Numerator of Euler(n, 7/18). %C A156652 The (unsigned) odd-indexed terms of the sequence appear to give A208681. - _Peter Bala_, May 16 2017 %H A156652 Vincenzo Librandi, <a href="/A156652/b156652.txt">Table of n, a(n) for n = 0..200</a> %t A156652 Numerator[EulerE[Range[0,20],7/18]] (* _Vincenzo Librandi_, May 07 2012 *) %Y A156652 Cf. A156634 (denominators). Cf. A208681. %K A156652 sign,frac %O A156652 0,3 %A A156652 _N. J. A. Sloane_, Nov 07 2009