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 A306004 #21 Nov 23 2018 10:16:07 %S A306004 4,9,7,7,3,8,3,2,4,7,7,6,7,2,3,0,2,1,8,1,9,1,6,7,8,4,6,7,8,5,6,3,7,2, %T A306004 4,0,5,7,7,2,3,1,7,8,2,9,9,6,7,6,6,6,2,1,0,0,7,8,1,9,5,5,7,5,0,4,3,3, %U A306004 5,1,1,6,1,1,5,1,5,7,3,9,2,7,8,7,3,2,7,0,7,5,0 %N A306004 Decimal expansion of imaginary part of 10th nontrivial zero of Riemann zeta function. %H A306004 Andrew M. Odlyzko, <a href="http://www.dtc.umn.edu/~odlyzko/zeta_tables/index.html">Tables of zeros of the Riemann zeta function</a> %H A306004 <a href="/index/Z#zeta_function">OEIS index entries for sequences related to the zeta function</a>. %e A306004 The zero is at 1/2 + i * 49.77383247767230218191678467856372405772317829967666... %t A306004 RealDigits[Im[ZetaZero[10]], 10, 120][[1]] (* _Vaclav Kotesovec_, Jun 23 2018 *) %o A306004 (PARI) lfunzeros(1,[49,50])[1] \\ _M. F. Hasler_, Nov 23 2018 %Y A306004 Imaginary part of k-th nontrivial zero of Riemann zeta function: A058303 (k=1), A065434 (k=2), A065452 (k=3), A065453 (k=4), A192492 (k=5), A305741 (k=6), A305742 (k=7), A305743 (k=8), A305744 (k=9), this sequence (k=10). %Y A306004 Cf. A002410 (rounded values: main entry), A013629 (floor), A092783 (ceiling). %K A306004 nonn,cons %O A306004 2,1 %A A306004 _Seiichi Manyama_, Jun 23 2018 %E A306004 Edited (added link, example, cross-reference) by _M. F. Hasler_, Nov 23 2018