cp's OEIS Frontend

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.

A147779 Squarefree positive integers of the form u*v*(u^2-v^2) for some integer u,v.

Original entry on oeis.org

6, 30, 210, 330, 546, 2310, 2730, 3570, 4290, 5610, 6090, 6630, 7854, 8970, 9690, 10374, 10626, 13566, 18354, 19866, 22134, 25806, 26970, 39270, 43890, 51330, 51414, 52026, 54834, 56730, 59334, 66990, 68034, 71610, 72930, 74046, 75174
Offset: 1

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Author

Max Alekseyev, Nov 12 2008

Keywords

Crossrefs

Formula

Squarefree terms of A147778. Squarefree terms of A073120. Squarefree terms of A009112.
Terms of A006991 (primitive congruent numbers) corresponding to right triangles with integer sides.