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.

A172463 Partial sums of A006567.

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%I A172463 #13 Sep 01 2025 03:05:30
%S A172463 13,30,61,98,169,242,321,418,525,638,787,944,1111,1290,1489,1800,2137,
%T A172463 2484,2843,3232,3933,4642,5375,6114,6857,7608,8369,9138,10045,10982,
%U A172463 11923,12876,13843,14814,15797,16788,17797,18818,19849,20882,21943,23012,24103
%N A172463 Partial sums of A006567.
%H A172463 Harvey P. Dale, <a href="/A172463/b172463.txt">Table of n, a(n) for n = 1..1000</a>
%F A172463 a(n) = Sum_{i=1..n} A006567(n).
%t A172463 emirpQ[n_]:=Module[{idn=IntegerDigits[n],ridn},ridn=Reverse[idn];idn!= ridn && PrimeQ[FromDigits[ridn]]]; Accumulate[Select[Prime[ Range[ 200]], emirpQ]] (* _Harvey P. Dale_, Oct 25 2011 *)
%Y A172463 Cf. A006567.
%K A172463 base,easy,less,nonn,changed
%O A172463 1,1
%A A172463 _Jonathan Vos Post_, Feb 03 2010
%E A172463 Corrected by _Harvey P. Dale_, Oct 25 2011