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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.

A100466 Semiprimes of special form: sum of an integer k and the k-th semiprime.

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%I A100466 #10 Feb 16 2025 08:32:55
%S A100466 14,21,34,46,62,69,74,77,93,115,122,129,141,158,161,177,187,194,206,
%T A100466 215,221,289,291,302,326,329,334,346,361,382,391,393,398,403,451,471,
%U A100466 481,502,535,543,581,583,629,635,655,674,698,706,713,723,734,802,813
%N A100466 Semiprimes of special form: sum of an integer k and the k-th semiprime.
%C A100466 This is the semiprime analog of A061068.
%H A100466 Eric Weisstein, World of Mathematics, <a href="https://mathworld.wolfram.com/Semiprime.html">Semiprime.</a>
%F A100466 a(n) = A100915(n) + A100916(n) = A100915(n) + A001358(A100915(n)).
%e A100466 a(3) = 34 because 34 is the third semiprime appearing in A100493.
%Y A100466 Cf. A001358, A061068, A100493, A100467, A100915, A100916.
%K A100466 easy,nonn
%O A100466 1,1
%A A100466 _Jonathan Vos Post_, Nov 20 2004
%E A100466 Edited, corrected and extended by _Ray Chandler_, Nov 26 2004