28572

Appears in sequences

• Number of dyslexic rooted compound windmills with n nodes with no symmetries.at n=15A032256
• Number of permutations (p(1),p(2),...,p(n)) of (1,2,...,n) such that p(i)-i is in {-2,-1,3} for all i=1,...,n.at n=36A079999
• Molien series for symmetrized weight enumerators of self-dual codes over GF(4) + GF(4)u with u^2 = 0.at n=47A092549
• a(n) is a non-palindromic composite located between twin primes whose reverse, which is less than it, is also located between twin primes.at n=23A103741
• Elements of A103741 that do not terminate in a zero digit.at n=5A103764
• Numbers that can be formed using its own digits in order and only addition and fourth power operators.at n=24A195672
• Number of (n+2) X (3+2) 0..1 arrays with every 2 X 2 and 3 X 3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally and vertically.at n=14A253505
• Number of length n arrays of permutations of 0..n-1 with each element moved by -2 to 2 places and every three consecutive elements having its maximum within 4 of its minimum.at n=14A263697
• Number of squares added at the n-th generation of a symmetric (with 45-degree angles), non-overlapping Pythagoras tree.at n=23A276677
• Sum of the odd parts in the partitions of n into 7 parts.at n=36A309624
• Number of arithmetical structures on D_n.at n=6A335676
• a(n) is the number of 5 element sets of distinct integer-sided trapezoids whose base angles are 60 degrees that fill an equilateral triangular grid of side n units without partitioning a triangle into 3 element sets of trapezoids.at n=30A391452