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.
for i from 6 to 6 do seq(binomial(i, j)*2^(i-j), j = 0 .. i-1) od;
Vec((x+2)^6+O(x^7)) \\ Joerg Arndt, Apr 15 2013
for i from 9 to 9 do seq(binomial(i, j)*2^(i-j), j = 0 .. i-1) od;
Vec((x+2)^9+O(x^10)) \\ Joerg Arndt, Apr 15 2013
for i from 11 to 11 do seq(binomial(i, j)*2^(i-j), j = 0 .. i-1) od;
Vec((x+2)^11+O(x^12)) \\ Joerg Arndt, Apr 15 2013
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