57801

Appears in sequences

• a(n) = 50*n^2 + 1.at n=33A157916
• Number of n-element subsets that can be chosen from {1,2,...,2*n} having element sum n^2.at n=12A202261
• Numbers n such that 2*n*3^n + 1 is prime.at n=32A266694
• Number of indecomposable permutations avoiding the pattern 4231.at n=8A284713
• Row sums of the triangle A322550.at n=32A320043