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 A086052 #10 Jun 28 2019 14:48:18 %S A086052 64,160,304,464,680,904,1144,1468,1804,2156,2516,2916,3332,3818,4322, %T A086052 4850,5390,5934,6494,7094,7702,8326,9055,9791,10547,11331,12123,12933, %U A086052 13749,14589,15469,16369,17281,18209,19145,20137,21137,22177,23281 %N A086052 Sum of first n 6-almost primes. %C A086052 The first two elements in this sequence are themselves 6-almost primes. a(1) = 64 = 2^6. a(2) = 160 = 2^5 * 5. - _Jonathan Vos Post_, Dec 11 2004 %H A086052 Robert Israel, <a href="/A086052/b086052.txt">Table of n, a(n) for n = 1..10000</a> %e A086052 a(2)=160 because sum of first two 6-almost primes, i.e. 64+96, is 160. %p A086052 ListTools:-PartialSums(select(numtheory:-bigomega=6, [$1..2000])); # _Robert Israel_, Jun 28 2019 %t A086052 Accumulate[Select[Range[1500],PrimeOmega[#]==6&]] (* _Harvey P. Dale_, May 15 2013 *) %Y A086052 Partial sums of A046306. %K A086052 easy,nonn %O A086052 1,1 %A A086052 _Shyam Sunder Gupta_, Aug 24 2003