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.
a(2) = 54 = 1+4+49 = 4+25+25 = 9+9+36.
a(2) = 50 = 1+49 = 25+25. a(3) = 27 = 1+1+25 = 9+9+9. a(5) = 20 = 1+1+1+1+16 = 4+4+4+4+4.
a(2) = 1729 = 12^3 + 1^3 = 10^3 + 9^3 (the famous Hardy-Ramanujan number). a(3) = 251 = 5^3 + 5^3 + 1^3 = 6^3 + 3^3 + 2^3.
a(3) = 1375298099 = 3^5 + 54^5 + 62^5 = 24^5 + 28^5 + 67^5. a(4) = 51445 = 4^5 + 7^5 + 7^5 + 7^5 = 5^5 + 6^5 + 6^5 + 8^5.
a(3) = 160426514 = 3^6 + 19^6 + 22^6 = 10^6 + 15^6 + 23^6. a(4) = 1063010 = 2^6 + 2^6 + 9^6 + 9^6 = 3^6 + 5^6 + 6^6 + 10^6.
From _Jon E. Schoenfield_, Apr 11 2021: (Start)
a(2) = 29 = 1^2 + 1^2 + 1^2 + 1^2 + 5^2
= 1^2 + 1^2 + 3^2 + 3^2 + 3^2
= 1^2 + 2^2 + 2^2 + 2^2 + 4^2.
.
a(3) = 766 = 1^3 + 1^3 + 2^3 + 3^3 + 9^3
= 1^3 + 4^3 + 4^3 + 5^3 + 8^3
= 2^3 + 2^3 + 4^3 + 7^3 + 7^3.
.
a(4) = 4225 = 2^4 + 2^4 + 2^4 + 3^4 + 8^4
= 2^4 + 4^4 + 4^4 + 6^4 + 7^4
= 3^4 + 4^4 + 6^4 + 6^4 + 6^4.
.
a(5) = 13124675 = 1^5 + 9^5 + 10^5 + 20^5 + 25^5
= 2^5 + 5^5 + 12^5 + 23^5 + 23^5
= 16^5 + 19^5 + 20^5 + 20^5 + 20^5.
.
a(6) = 224688658 = 3^6 + 8^6 + 19^6 + 20^6 + 22^6
= 5^6 + 5^6 + 16^6 + 16^6 + 24^6
= 8^6 + 10^6 + 15^6 + 20^6 + 23^6. (End)
a(2) = 28 = 1+1+1+25 = 4+4+4+16 = 1+9+9+9.
From _Ilya Gutkovskiy_, Aug 12 2024: (Start)
a(6) = 17886882 = 1^6 + 8^6 + 8^6 + 12^6 + 12^6 + 15^6
= 2^6 + 2^6 + 6^6 + 9^6 + 9^6 + 16^6
= 3^6 + 5^6 + 6^6 + 6^6 + 10^6 + 16^6. (End)
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