cp's OEIS Frontend

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.

A372065 a(n) = (index of prime(n) in A280864) - (index of prime(n) in A280866).

This page as a plain text file.
%I A372065 #13 May 11 2024 12:18:39
%S A372065 0,0,0,0,0,0,0,0,0,0,6,1,5,5,5,0,-1,-2,3,13,12,13,12,9,6,6,11,11,24,
%T A372065 28,38,74,70,55,49,58,60,60,54,46,51,50,43,54,51,44,36,36,21,34,45,39,
%U A372065 25,25,22,24,24,25,42,44,27,38,33,26,28,22,24,32,56,72,84,63,67,107,114,111,104,108,105,93,100,100,108,105,96,94,92
%N A372065 a(n) = (index of prime(n) in A280864) - (index of prime(n) in A280866).
%C A372065 A372063 compares A280864 and A280866 term-by-term; A372064 compares their inverses; and the present sequence compares where the successive primes appear.
%C A372065 This is a subsequence of A372064.
%H A372065 N. J. A. Sloane, <a href="/A372065/b372065.txt">Table of n, a(n) for n = 1..2262</a>
%e A372065 The 11th prime, 31, appears in A280864 at index 49, and in A280866 at index 43, so a(11) = 49 - 43 = 6.
%Y A372065 Cf. A280864, A280741, A280866, A304741, A372063, A372064.
%K A372065 sign
%O A372065 1,11
%A A372065 _N. J. A. Sloane_, May 10 2024