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 A110295 #6 Jan 04 2023 03:03:44
%S A110295 2,6,20,56,176,416,1088,2432,5888,14848,31744,75776,167936,352256,
%T A110295 770048,1736704,3866624,7995392,17563648,37224448,76546048,165675008,
%U A110295 348127232,746586112,1627389952,3388997632,6912212992,14361296896
%N A110295 a(n) = 2^(n-1) * prime(n).
%D A110295 Eric Angelini, "Array with primes." Pers. comm. on the SeqFan mailing list, Sep. 7 2005.
%H A110295 G. C. Greubel, <a href="/A110295/b110295.txt">Table of n, a(n) for n = 1..1000</a>
%F A110295 a(n) = 2*A239885(n). - _G. C. Greubel_, Jan 04 2023
%t A110295 Table[2^(n-1)*Prime[n], {n, 30}]
%o A110295 (Magma) [2^(n-1)*NthPrime(n): n in [1..50]]; // _G. C. Greubel_, Jan 04 2023
%o A110295 (SageMath) [2^(n-1)*nth_prime(n) for n in range(1,50)] # _G. C. Greubel_, Jan 04 2023
%Y A110295 Cf. A000040, A000079, A239885.
%K A110295 nonn
%O A110295 1,1
%A A110295 _Ryan Propper_, Sep 07 2005