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目錄樹:
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master
22.07
experimental...
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oeis-research
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Marius A. Burtea
trizen
53ebc848c8
new file: oeis-research/Kevin Ryde/a(1) = 1 and thereafter a(n) = 2*prime(a(n-1))/prog.sf
2 年之前
..
Triangular numbers whose arithmetic derivative is also a triangular number
53ebc848c8
new file: oeis-research/Kevin Ryde/a(1) = 1 and thereafter a(n) = 2*prime(a(n-1))/prog.sf
2 年之前