907199

Properties

Appears in sequences

• Smallest number of complexity n: smallest number requiring n 1's to build using + and *.at n=45A005520
• Primes in the progression (n!- m)/m where n advances by 1 and m resets to 1 upon each prime occurrence.at n=7A089137
• a(n) = (n!-4)/4.at n=6A139174
• G.f.: Sum_{n>=0} [Sum_{k>=0} C(n+k-1,k)^2*x^k]^n * x^n.at n=8A183165
• a(n) is the smallest prime such that exactly n prime pairs (p,q) exist with a(n) = p * q + p + q.at n=21A198277
• Primes of the form 7n^2 - 1.at n=29A201793
• Primes p such that (p-k)/(k+1) is also prime for k = 1, 2, 3, 4.at n=4A247348
• Primes of the form k! / 4 - 1.at n=5A290117
• a(n) is the least k such that there are exactly n numbers i with A075254(i) = k.at n=22A346378
• Prime numbersat n=71799