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 A380948 #27 Mar 02 2025 23:38:26 %S A380948 1,1,1,1,2,2,2,2,4,8,16,2,40,32,80,20,112,1120,320,112,112,640,32, %T A380948 1120,160,5600,280,64,1820,116480,2240,14560,232960,3136,364,18200,34, %U A380948 116480,618800,76160,10640,1074944,30464,110656,18811520,13600,2434432,181060880,15232,3043040 %N A380948 Denominators of rational coefficients which are ratio of Brent's coefficients -A[n,2]/A343480. %C A380948 Brent's coefficients -A[n,2]/A343480 are rationals = A380947(n)/ A380948(n). %C A380948 Brent's coefficients are used in formulas of number of primes with particular distance to next prime =2*n. %C A380948 Brent's coefficients A[n,1]/A114907 = B[n,1]/A114907 are equal to A380839(n)/A307410(n). %H A380948 R. P. Brent, <a href="https://maths-people.anu.edu.au/~brent/pub/pub021.html">The distribution of small gaps between successive primes</a>, Mathematics of Computation 28 (1974), 315-324. %Y A380948 Cf. A307410, A380839, A343480, A380947, A381083. %K A380948 nonn,frac %O A380948 1,5 %A A380948 _Artur Jasinski_, Feb 09 2025