24553

Appears in sequences

• a(n) = ceiling(n*phi^15), where phi is the golden ratio, A001622.at n=18A004970
• Numbers of pattern-matching permutations of (1234) for the permutations of {1, 2, ..., n} on n = 4, 5, 6, ... elements.at n=4A158005
• Principal diagonal of the convolution array A213568.at n=10A213569
• Number of permutations T(n,k) in S_n containing an increasing subsequence of length k; triangle T(n,k), n>=1, 1<=k<=n, read by rows.at n=31A214152
• Number of n-digit numbers x such that the digits of x^2 occur with frequency 2.at n=7A225429
• Number of conjugacy classes in simply connected Chevalley group E_7(q) as q runs through the prime powers.at n=2A225936
• Number of conjugacy classes in adjoint Chevalley group E_7(q) as q runs through the prime powers.at n=2A225937
• Number of length n arrays of permutations of 0..n-1 with each element moved by -3 to 3 places and every four consecutive elements having its maximum within 4 of its minimum.at n=22A263712
• Number of permutations of [2n] containing an increasing subsequence of length n.at n=4A269021
• Least integer k such that prime(k+1) - prime(k) = 2 and prime(k+2) - prime(k+1) = 2n, or 0 if no such k exists.at n=38A280941
• MM-numbers of labeled simple hypergraphs with no singletons spanning an initial interval of positive integers.at n=27A320463
• MM-numbers of labeled multi-hypergraphs with no singletons spanning an initial interval of positive integers.at n=34A320464
• Numbers k such that k+i^2, i=0..6 are all semiprimes.at n=7A361262
• Number of even-length integer partitions of 2n with integer mean.at n=27A361655