40816

Appears in sequences

• Molien series for Hecke group H_{3,4}.at n=24A027631
• Interprimes which are of the form s*prime, s=16.at n=31A075291
• Number of ways to place n nonattacking nightriders on an n X n cylindrical board.at n=7A196814
• Numbers k such that k and k + 1 are both of the form p*q^4 where p and q are distinct primes.at n=9A215197
• Number of ways two L-tiles can be placed on an n X n square.at n=18A243645
• Number of (n+2)X(3+2) 0..3 arrays with every 3X3 subblock row and column sum not 2 4 5 or 7 and every diagonal and antidiagonal sum 2 4 5 or 7.at n=6A251871
• Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and column sum not 2 4 5 or 7 and every diagonal and antidiagonal sum 2 4 5 or 7.at n=2A251875
• Number of nX4 0..1 arrays with every repeated value in every row and column greater than the previous repeated value.at n=9A267715
• a(n) is the number of ways to select 3 distinct points forming a triangle of unsigned area = n from a square of grid points with side length n, divided by 4.at n=19A320542
• Numbers k such that both k and k+1 are not exponentially squarefree numbers.at n=31A342188
• Numbers k such that k and k+1 both have the same number of squarefree divisors and powerful divisors.at n=17A360904