118799

Properties

Appears in sequences

• a()=A037260 and its first [ A037261 ], 2nd [ A037262 ] and 3rd [ A037263 ] differences together include every number at most once and are monotonic and minimal.at n=35A037260
• Primes p such that 11 is the largest of all prime factors of the numbers between p and the next prime (cf. A052248).at n=34A080187
• Primes p such that p + 2, 18*p^2 + 1, and 18*(p+2)^2 + 1 are all primes.at n=32A115272
• Adjusted recursive triangular sequence with row sums 2*(n+5)!/6!: A(n,k)= A(n - 1, k - 1) + A(n - 1, k) + (n + 4)*(n + 3)*A(n - 2, k - 1).at n=23A153738
• Adjusted recursive triangular sequence with row sums 2*(n+5)!/6!: A(n,k)= A(n - 1, k - 1) + A(n - 1, k) + (n + 4)*(n + 3)*A(n - 2, k - 1).at n=25A153738
• 2n-th derivative of sec(x)^cos(x) at x=0.at n=6A186248
• 2n-th derivative of sech(x)^cosh(x) at x=0.at n=6A215677
• Number of (2+2) X (n+2) 0..3 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=37A252721
• Prime numbersat n=11198