28117

Appears in sequences

• Expansion of (1-x)^(-1)/(1-2*x^2-2*x^3).at n=18A077879
• Numbers n such that the numbers of divisors of n,n+1,n+2 and n+3 are k,2k,4k,8k respectively for some k.at n=14A100364
• Number of base 19 circular n-digit numbers with adjacent digits differing by 7 or less.at n=4A125431
• Number of 2 X 2 matrices M with terms in {1,...,n} such that permanent(M) > n.at n=13A212241
• Number of nonnegative solutions to x^2 + y^2 + z^2 < n^2.at n=37A218711
• Number of 2 X n 0..1 arrays with no element less than a strict majority of its horizontal and antidiagonal neighbors.at n=11A232048
• Number of partitions of subsets of [n] containing n > 0, where consecutive integers are required to be in different parts.at n=9A376077
• Squarefree semiprimes k such that k+1 is the product of three distinct primes and k+2 is the product of four distinct primes.at n=42A376352