35519

Appears in sequences

• Numbers n such that 55*2^n-1 is prime.at n=41A050553
• Least non-balanced x (i.e., not in A020492) such that sigma(2n-1,x)/phi(x) is an integer.at n=32A078539
• Least non-balanced x (i.e., not in A020492) such that sigma(p(n),x)/phi(x) is an integer, where p(n) = n-th prime.at n=18A078540
• a(n) = 29 + 73*n + 37*n^2.at n=30A145980
• Number of -n..n arrays x(0..4) of 5 elements with zero sum, and adjacent elements not both strictly positive and not both strictly negative.at n=11A199900
• Number of (5+1) X (n+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.at n=16A258558
• Records in A361321.at n=31A361325