103319

Properties

Appears in sequences

• a(n) is the first prime for which floor(a(n)/p) is prime for all p among the first n primes.at n=3A086255
• Second smallest number of complexity n: second smallest number requiring n 1's to build using + and *.at n=34A265360
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=47A302472
• Number of 3Xn 0..1 arrays with every element equal to 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=7A302473
• T(n,k) = Number of n X k 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=47A303254
• Prime numbersat n=9876