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 A095357 #7 Aug 29 2024 01:57:19 %S A095357 2,6,10,18,35,49,108,181,346,651,1236,2348,4240,8454,16537,30963, %T A095357 60986,118814,225337,438305,854049 %N A095357 Ratio A095107(n)/A095008(n) rounded down. %C A095357 This is the average length of maximum Dyck path prefix (i.e. non-diving portion) found in the "Legendre-vectors" of all 4k+3 primes in range ]2^n,2^(n+1)]. See A095104-A095105. %C A095357 The ratios before rounding are: 2, 6, 10, 18, 35.333333, 49.428571, 108.461538, 181.545455, 346.702703, 651.295775, 1236.34375, 2348.779221, 4240.445455, 8454.26518, 16537.703752, 30963.160864, 60986.990505, 118814.20247, 225337.874981, 438305.90522, 854049.74263. %C A095357 Ratio (A095107(n)/A095008(n))/(A095110(n)/A000079(n-2)) starts as follows: 1, 1, 0.5, 0.75, 0.375, 0.4375, 0.40625, 0.34375, 0.289062, 0.277344, 0.25, 0.225586, 0.214844, 0.197021, 0.185425, 0.175293, 0.16391, 0.155701, 0.14756, 0.140224. %F A095357 a(n) = floor(A095107(n)/A095008(n)). %Y A095357 A095358 gives the same ratios rounded to nearest integer. A095361 gives similar ratios computed for all 4k+3 integers. %K A095357 nonn,more %O A095357 1,1 %A A095357 _Antti Karttunen_, Jun 12 2004