triangular numberの例文
- The difference of two positive triangular numbers is a trapezoidal number.
- A square number is also the sum of two consecutive triangular numbers.
- It is a triangular number and so is its square ( 36 ).
- It a triangular number and the square of x.
- :Well, the number of edges of a simplex is a triangular number.
- Named " Triangle Couplet " because the repetitions per round are all triangular numbers.
- The column formed by the set of rightmost rooms will correspond to the triangular numbers.
- The largest triangular number of the form is 4095 ( see Ramanujan Nagell equation ).
- We can find every hexagonal number by simply taking the odd-numbered triangular numbers:
- A triangular number and a hexagonal number, 496 is also a centered nonagonal number.
- 136 is a triangular number, a centered triangular number and a centered nonagonal number.
- 136 is a triangular number, a centered triangular number and a centered nonagonal number.
- Ten is also a triangular number, a centered triangular number, and a tetrahedral number.
- Ten is also a triangular number, a centered triangular number, and a tetrahedral number.
- Each centered triangular number from 10 onwards is the sum of three consecutive regular triangular numbers.
- Each centered triangular number from 10 onwards is the sum of three consecutive regular triangular numbers.
- 19 is the lowest prime centered triangular number, a centered hexagonal number and a Heegner number.
- WacBaw Franciszek SierpiDski posed the question as to the existence of four distinct triangular numbers in geometric progression.
- Equivalently, if the positive triangular root of is an integer, then is the th triangular number.
- 31 is a centered triangular number, the lowest prime centered pentagonal number and a centered decagonal number.