75883

Properties

Appears in sequences

• Concatenation of prime p and nextprime(p) is prime -> cycles of 2 steps possible.at n=20A036339
• Floor (e^(n / log(n))).at n=40A096181
• Expansion of 1/(1 - Sum_{k>=1} x^(k+floor(1/2+sqrt(k)))).at n=29A280240
• a(n) is the least k such that a k-gon is the first polygon where an agreement of the areas of k-gons inscribed and circumscribed to a unit circle agree with the true value of Pi when truncated to n digits.at n=8A391013
• Prime numbersat n=7474