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.

A328468 Row 5 of A328464: a(n) = A276156(32n - 16) / 210.

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%I A328468 #6 Oct 18 2019 21:28:26
%S A328468 1,12,144,155,2432,2443,2575,2586,46190,46201,46333,46344,48621,48632,
%T A328468 48764,48775,1062348,1062359,1062491,1062502,1064779,1064790,1064922,
%U A328468 1064933,1108537,1108548,1108680,1108691,1110968,1110979,1111111,1111122,30808064,30808075,30808207,30808218,30810495,30810506,30810638,30810649
%N A328468 Row 5 of A328464: a(n) = A276156(32n - 16) / 210.
%H A328468 Antti Karttunen, <a href="/A328468/b328468.txt">Table of n, a(n) for n = 1..8192</a>
%H A328468 <a href="/index/Pri#primorialbase">Index entries for sequences related to primorial base</a>
%F A328468 a(n) = (1/210) * A276156(32*n - 16).
%o A328468 (PARI)
%o A328468 A002110(n) = prod(i=1,n,prime(i));
%o A328468 A276156(n) = { my(p=2,pr=1,s=0); while(n,if(n%2,s += pr); n >>= 1; pr *= p; p = nextprime(1+p)); (s); };
%o A328468 A328468(n) = (A276156((32*n)-16) / 210);
%Y A328468 Row 5 of A328464.
%Y A328468 Cf. A002110, A276156, A328461.
%K A328468 nonn
%O A328468 1,2
%A A328468 _Antti Karttunen_, Oct 18 2019