348075

Appears in sequences

• a(n) is the least common multiple of {1, 5, 9, 13, 17, ..., 4n+1} (A016813).at n=6A051539
• Denominator of 1 + 1/5 + 1/9 +...+ 1/(4n+1).at n=6A097328
• Minimal number of times a rectangular grid of n X n+1 elements can be slid along a 45-degree line before a rotated version of the initial grid appears.at n=13A110026
• Degrees of irreducible representations of simple Chevalley group F4(2).at n=27A214481
• Degrees of irreducible representations of simple Chevalley group F4(2).at n=28A214481
• a(n) is the numerator of Product_{i=0..n-1} (n-i)^((-1)^ceiling(i/2)).at n=24A337354
• a(n) is the least number k that has exactly n divisors <= sqrt(k) of the form 4*j+1.at n=20A379693