18582

Appears in sequences

• Numbers k such that 2^k - 5 is prime.at n=34A059608
• a(n) = n*(n+1)*(n^2 + 2)/6.at n=18A071239
• A Wallis pair (x,y) satisfies sigma(x^2) = sigma(y^2); sequence gives x's for indecomposable Wallis pairs with x < y (ordered by values of x).at n=39A075768
• Numbers k such that absolute value of 7^k - k^7 is prime.at n=4A128447
• Number of ways to place 2 nonattacking zebras on an n X n board.at n=13A172137
• Number of 3 X 3 X 3 triangular 0..n arrays with every horizontal row nondecreasing, first elements of rows nonincreasing, last elements of rows nondecreasing, and every row having the same average value.at n=32A215183
• a(n) = n*(n + 1)*(19*n - 16)/6.at n=18A237618
• p-INVERT of (1,1,1,0,0,0,0,0,0,0,0,...), where p(S) = (1 - S)^3.at n=10A292326
• Sum of the third largest parts of the partitions of n into 10 parts.at n=40A326596