64764

Appears in sequences

• Numbers k such that 2^k - k + 1 is prime.at n=18A100361
• Number of 8X8 arrays of squares of integers, symmetric under 90 degree rotation, with all rows summing to n.at n=27A156397
• Triangle read by rows: T(n,k) is number of non-derangement permutations of {1,2,...,n} having k cycles (1 <= k <= n).at n=39A162971
• Number of nX4 arrays of permutations of 4 copies of 0..n-1 with every element equal to or 1 greater than any west or northeast neighbors modulo n and the upper left element equal to 0.at n=12A267738
• Number of set partitions of strict integer partitions of n that have distinct block-sums.at n=37A279375
• Expansion of e.g.f. 1/(1 + log(1 + x)^4 / 24).at n=9A354390
• a(n) = Sum_{k = 0..n-1} binomial(n,k)^2*binomial(n+k-1,k).at n=6A361715