27636
domain: N
Appears in sequences
- Fibonacci sequence beginning 0, 28.at n=16A022362
- a(n) = n*(16*n^2 - 1).at n=11A069975
- Numbers n such that 11^n - 2 is prime.at n=3A133982
- Number of n X n arrays of squares of integers summing to 25 with every element equal to at least one neighbor.at n=2A146519
- Number of n X n 0..3 arrays with row sums 6 and column sums 6.at n=3A172722
- Coefficient array of orthogonal polynomials P(n,x)=(x-2n+2)*P(n-1,x)-(2n-3)*P(n-2,x), P(0,x)=1, P(1,x)=x-1.at n=29A185996
- Number of symmetric 11-ary factorizations of the n-cycle (1,2...n).at n=9A192893
- a(n) = 6*binomial(11*n+6,n)/(11*n+6).at n=4A234872
- Numbers k such that 63*10^k + 1 is prime.at n=23A271361
- a(n) = 4*(n - 1)*(16*n - 23) for n >= 1.at n=21A304378
- a(n) is the number of endofunctions on an n-set where there is a single element with a preimage of maximum cardinality.at n=5A365061