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 A073440 #5 Jan 31 2014 15:51:48 %S A073440 1,8,2,4,6,9,5,4,7,8,4,5,9,4,1,3,5,4,0,0,8,0,3,5,1,7,7,3,7,6,3,9,1,5, %T A073440 3,6,2,0,5,3,1,8,6,5,2,2,6,7,3,3,2,5,4,3,4,9,8,2,0,4,0,7,0,4,9,9,9,8, %U A073440 5,2,3,5,0,6,4,3,2,1,7,6,8,7,2,9,3,1,0,6,4,0,6,7,5,7,2,7,7,0,8,7,8,2,6,6,4 %N A073440 Decimal expansion of csc (Pi degrees) (of course csc (Pi radians) is undefined). %e A073440 18.2469547845941354008035177376... %t A073440 RealDigits[Csc[Pi Degree],10,120][[1]] (* _Harvey P. Dale_, Jan 31 2014 *) %o A073440 (PARI) 1/sin(Pi^2/180) %Y A073440 Cf. A051553 (sin(Pi degrees)=1/A073440), A051554 (cos(Pi degrees)), A051555 (tan(Pi degrees)), A073441 (sec(Pi degrees)), A073442 (cot(Pi degrees)). %K A073440 cons,nonn %O A073440 2,2 %A A073440 _Rick L. Shepherd_, Jul 31 2002