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$${Published}$$  $${Online}$$  $${First}$$  $${(9/2/2024)}$$
$${Latest}$$  $${additions}$$  $${(13/2/2024)}$$
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$${Diophantine}$$ $${equation}$$ $${21}$$
$${(21.1)}$$  $${~~~\sum\limits_{i=1}^4\ a_i^3}$$ $${=}$$ $${x^3+y^3}$$
$${(21.2)}$$  $${~~~\sum\limits_{i=1}^4\ a_i^3}$$ $${=}$$ $${2(x^6-y^6)}$$
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$${Diophantine}$$ $${equation}$$ $${22}$$
$${(22.1)}$$  $${~~~\sum\limits_{i=1}^5\ a_i^3}$$ $${=}$$ $${n}$$ $${~~~(n  \in  \mathbb{N})}$$
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$${Diophantine}$$ $${equation}$$ $${23}$$
$${(23.1)}$$  $${~~~\sum\limits_{i=1}^4\ a_i^5}$$ $${=}$$ $${\sum\limits_{j=1}^4\ b_j^5}$$
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$${Diophantine}$$ $${equation}$$ $${24}$$
$${(24.1)}$$  $${~~~\sum\limits_{i=1}^4\ a_i^7}$$ $${=}$$ $${\sum\limits_{j=1}^4\ b_j^7}$$
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$${Diophantine}$$ $${equation}$$ $${25}$$
$${(25.1)}$$  $${~~~\sum\limits_{i=1}^3\ a_i^5}$$ $${=}$$ $${\sum\limits_{j=1}^3\ b_j^5}$$
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$${Diophantine}$$ $${equation}$$ $${26}$$
$${(26.1)}$$  $${~~~\sum\limits_{i=1}^3\ a_i^6}$$ $${=}$$ $${\sum\limits_{j=1}^3\ b_j^6}$$
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以下、近日公開予定
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$${Diophantine}$$ $${equation}$$ $${27}$$
$${(27.1)}$$
$${(27.2)}$$
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$${Diophantine}$$ $${equation}$$ $${28}$$
$${(28.1)}$$
$${(28.2)}$$
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$${Diophantine}$$ $${equation}$$ $${29}$$
$${(29.1)}$$
$${(29.2)}$$  
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$${Diophantine}$$ $${equation}$$ $${30}$$
$${(30.1)}$$
$${(30.2)}$$
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$${etc}$$  目次【001】・【002】
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