Hexagonal pyramidal number: Difference between revisions

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#REDIRECT [[Pyramidal number]]

4t3tq4t4tq452, 372, 525, 715, 946, 1222, 1547, 1925 {{OEIS|id=A002412}}

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The numbers have the form:

<math>{n(n+1)(4n-1)}\over6</math>

== References ==

*[http://mathworld.wolfram.com/HexagonalPyramidalNumber.html Hexagonal pyramidal number at MathWorld]

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[[Category:Figurate numbers]]

[[fr:Nombre pyramidal hexagonal]]