Lexicographical Neighbors of Pentagonals
Literary usage of Pentagonals
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Monthly Review by Ralph Griffiths (1819)
"... a square, or the sum of two, three, or four squares; a pentagonal number, or
the sum of two, three, four, or five pentagonals; and so on, ..."
2. Intercollegiate Debates edited by Paul Martin Pearson, Egbert Ray Nichols (1913)
"Appendix I. names about thirty triangulars, three pentagonals, and one quadrangular
league. An examination of the records, where they cover a period of more ..."
3. An Elementary Investigation of the Theory of Numbers: With Its Application by Peter Barlow (1811)
"1. Hence, by making successively m = 3, 4, 5, &c., we shall have the following
results. A1J. Triangular numbers ?*? .squares - - - - as Pentagonals ..."
Other Resources:
