26994

Appears in sequences

• Number of nonnegative integer arrays of length n+2*6-2 with new values introduced in order 0 upwards and every value appearing only in runs of at least 6.at n=29A211698
• Triangular array read by rows: row n shows the coefficients of the polynomial u(n) = c(0) + c(1)*x + ... + c(n)*x^(n) which is the denominator of the n-th convergent of the continued fraction [k, k, k, ... ], where k = (x + 1)/(x + 2).at n=49A231775
• Numbers that divide the sum of the reverse of their divisors (A069192).at n=12A254008
• Number of length n arrays of permutations of 0..n-1 with each element moved by -7 to 7 places and exactly two more elements moved upwards than downwards.at n=8A263786
• Number of integer partitions of n such that the maximum is greater than twice the median.at n=38A361857
• a(n) = Sum_{k=0..floor(n/2)} n^k * binomial(2*n-k,n-2*k).at n=7A371826
• Numbers k such that A075255(k) is the square of a prime.at n=22A386954