59616

Appears in sequences

• Number of partitions of {1, ..., 2n} into coprime pairs.at n=8A009679
• Numbers having four 0's in base 9.at n=30A043456
• Low-temperature specific heat expansion for honeycomb net (Potts model, q=4).at n=5A057396
• a(n) = A100092(n^2+n+1).at n=15A100094
• Number of n X n arrays of squares of integers with every 4X4 subblock summing to 5.at n=1A159205
• Number of n X n arrays of squares of integers with every (n-1) X (n-1) subblock summing to 5.at n=2A159360
• Numbers with prime factorization pq^4r^5.at n=10A190468
• Number of nX5 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 1 vertically.at n=8A207690
• The greedy sequence of real numbers at least 1 that do not contain any 3-term geometric progressions with integer ratio.at n=30A235054
• Digits of the Copeland-Erdős constant taken in groups of five digits.at n=28A304652
• Number of set partitions of {1,...,n} where each block's elements are pairwise coprime.at n=18A320423
• Numbers with an even number of prime factors (counted with multiplicity) that can be factored into squarefree semiprimes (A320911) but cannot be factored into distinct semiprimes (A320892).at n=20A320893
• a(n) = coefficient of 2^(2/3) in the expansion of (2^(1/3) + 2^(2/3))^n.at n=12A377119
• Numbers k for which sigma(k) >= 2*k and (sigma(k) - 2*k) AND k = k, where AND is bitwise-and, A004198.at n=35A388026