243817

Appears in sequences

• Partial sums of hexagonal numbers with prime indices.at n=29A117962
• G.f.: A(x) = 1/[1-x - Sum_{n>=1} A001147(n)*x^(2n) ] where A001147(n) = (2n)!/(n!*2^n) is the double factorials.at n=14A124495
• Number of length n arrays of permutations of 0..n-1 with each element moved by -2 to 2 places and every four consecutive elements having its maximum within 4 of its minimum.at n=28A263711
• Convolution of A048272 and A022567.at n=38A274355