26108

Appears in sequences

• Denominators of continued fraction convergents to sqrt(130).at n=7A041237
• Number of primes with 2n digits made of adjacent primes with 2 digits.at n=3A135945
• G.f. for Ehrhart quasi-polynomials for hyperplane arrangements of type E_8.at n=56A210632
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 870", based on the 5-celled von Neumann neighborhood.at n=43A273705
• Number of free pure symmetric multifunctions (with empty expressions allowed) with one atom and n positions.at n=11A277996
• a(n) is the smallest number k such that k = (sigma(n*(sigma(k)-k)) - n*(sigma(k)-k))/n.at n=24A321328
• Number of integer partitions of n that can be partitioned into a set of sets.at n=41A382077